diff --git a/actionpack/lib/action_view/helpers/translation_helper.rb b/actionpack/lib/action_view/helpers/translation_helper.rb
index cb55f1edb49cf4e66bd91978416cbdb1dafaf9b2..086ad261c88092e4dbfa64e9565d750927a0296e 100644
--- a/actionpack/lib/action_view/helpers/translation_helper.rb
+++ b/actionpack/lib/action_view/helpers/translation_helper.rb
@@ -3,7 +3,7 @@
 module ActionView
   module Helpers
     module TranslationHelper
-      # Delegates to I18n#translate but also performs three additional functions. First, it'll catch MissingTranslationData exceptions
+      # Delegates to I18n#translate but also performs three additional functions. First, it'll catch MissingTranslationData exceptions 
       # and turn them into inline spans that contains the missing key, such that you can see in a view what is missing where.
       #
       # Second, it'll scope the key by the current partial if the key starts with a period. So if you call translate(".foo") from the
@@ -11,19 +11,20 @@ module TranslationHelper
       # to translate many keys within the same partials and gives you a simple framework for scoping them consistently. If you don't
       # prepend the key with a period, nothing is converted.
       #
-      # Third, it’ll mark the translation as safe HTML if the key has the suffix "_html" or the last element of the key is the word
-      # "html". For example, calling translate("footer_html") or translate("footer.html") will return a safe HTML string that won’t
-      # be escaped by other HTML helper methods. This naming convention helps to identify translations that include HTML tags so that
+      # Third, it’ll mark the translation as safe HTML if the key has the suffix "_html" or the last element of the key is the word 
+      # "html". For example, calling translate("footer_html") or translate("footer.html") will return a safe HTML string that won’t 
+      # be escaped by other HTML helper methods. This naming convention helps to identify translations that include HTML tags so that 
       # you know what kind of output to expect when you call translate in a template.
 
-      def translate(keys, options = {})
-        options[:raise]  = true
-        are_keys_a_string  = keys.is_a?(String)
-        keys = scope_keys_by_partial(keys)
-
-        translations = I18n.translate(keys, options)
-        translations = html_safe_translation_keys(keys, Array.wrap(translations))
-        are_keys_a_string ? translations.first : translations
+      def translate(key, options = {})
+        options[:raise] = true
+        translation = I18n.translate(scope_key_by_partial(key), options)
+        translation = (translation.respond_to?(:join) ? translation.join : translation)
+        if html_safe_translation_key?(key)
+          translation.html_safe
+        else
+          translation
+        end
       rescue I18n::MissingTranslationData => e
         keys = I18n.normalize_keys(e.locale, e.key, e.options[:scope])
         content_tag('span', keys.join(', '), :class => 'translation_missing')
@@ -37,24 +38,23 @@ def localize(*args)
       alias :l :localize
 
       private
-
-        def scope_keys_by_partial(keys)
-          Array.wrap(keys).map do |key|
-            if key.to_s.first == "."
-              unless @_virtual_path
-                raise "Cannot use t(#{key.inspect}) shortcut because path is not available"
-              end
-            @_virtual_path.gsub(%r{/_?}, ".") + key
+        
+        def scope_key_by_partial(key)
+          strkey = key.respond_to?(:join) ? key.join : key.to_s
+          if strkey.first == "."
+            if @_virtual_path
+              @_virtual_path.gsub(%r{/_?}, ".") + strkey
             else
-              key
+              raise "Cannot use t(#{key.inspect}) shortcut because path is not available"
             end
+          else
+            key
           end
         end
 
-        def html_safe_translation_keys(keys, translations)
-          keys.zip(translations).map do |key, translation|
-            key =~ /(\b|_|\.)html$/ ? translation.html_safe : translation
-          end
+        def html_safe_translation_key?(key)
+          key = key.is_a?(Array) ? key.last : key.to_s
+          key =~ /(\b|_|\.)html$/
         end
     end
   end
diff --git a/actionpack/test/fixtures/test/array_translation.erb b/actionpack/test/fixtures/test/array_translation.erb
index bcdeea4c0dafe8b6ab3bbfb6fa834a198c64d602..def3a1a0c10c4bccc32040eaeb4979b648c19ef9 100644
--- a/actionpack/test/fixtures/test/array_translation.erb
+++ b/actionpack/test/fixtures/test/array_translation.erb
@@ -1 +1 @@
-<% translation = t(['foo', 'bar', 'baz_html']) %><%= translation.first %>, <%= translation.second %>, <%= translation.third %>
\ No newline at end of file
+<%= t(['foo', 'bar', 'html']) %>
\ No newline at end of file
diff --git a/actionpack/test/fixtures/test/scoped_array_translation.erb b/actionpack/test/fixtures/test/scoped_array_translation.erb
index cb07fca8383901f7c6a37b96518b5363b4f5d034..0a0c79f717c4ca7a0ccca7087c1d2ceab3c5fa7d 100644
--- a/actionpack/test/fixtures/test/scoped_array_translation.erb
+++ b/actionpack/test/fixtures/test/scoped_array_translation.erb
@@ -1 +1 @@
-<%= t(['.foo', '.bar']).join(", ") %>
\ No newline at end of file
+<%= t(['.foo', '.bar']) %>
\ No newline at end of file
diff --git a/actionpack/test/template/translation_helper_test.rb b/actionpack/test/template/translation_helper_test.rb
index 395ba247a25bee65ec67277b4359567b7efdddb6..b382b5eb2297aff17d84b426bb4ada26fe1a1519 100644
--- a/actionpack/test/template/translation_helper_test.rb
+++ b/actionpack/test/template/translation_helper_test.rb
@@ -7,12 +7,12 @@ class TranslationHelperTest < ActiveSupport::TestCase
   attr_reader :request
   def setup
   end
-
+  
   def test_delegates_to_i18n_setting_the_raise_option
-    I18n.expects(:translate).with([:foo], :locale => 'en', :raise => true).returns([""])
+    I18n.expects(:translate).with(:foo, :locale => 'en', :raise => true).returns("")
     translate :foo, :locale => 'en'
   end
-
+  
   def test_returns_missing_translation_message_wrapped_into_span
     expected = '<span class="translation_missing">en, foo</span>'
     assert_equal expected, translate(:foo)
@@ -20,14 +20,13 @@ def test_returns_missing_translation_message_wrapped_into_span
 
   def test_translation_of_an_array
     I18n.expects(:translate).with(["foo", "bar"], :raise => true).returns(["foo", "bar"])
-    assert_equal ["foo", "bar"], translate(["foo", "bar"])
+    assert_equal "foobar", translate(["foo", "bar"])
   end
 
   def test_translation_of_an_array_with_html
-    translate_expected = ['<a href="#">foo</a>', '<a href="#">bar</a>', '<a href="#">baz</a>']
-    I18n.expects(:translate).with(["foo", "bar", "baz_html"], :raise => true).returns(translate_expected)
+    expected = '<a href="#">foo</a><a href="#">bar</a>'
+    I18n.expects(:translate).with(["foo", "bar", "html"], :raise => true).returns(['<a href="#">foo</a>', '<a href="#">bar</a>'])
     @view = ActionView::Base.new(ActionController::Base.view_paths, {})
-    expected = '&lt;a href=&quot;#&quot;&gt;foo&lt;/a&gt;, &lt;a href=&quot;#&quot;&gt;bar&lt;/a&gt;, <a href="#">baz</a>'
     assert_equal expected, @view.render(:file => "test/array_translation")
   end
 
@@ -36,31 +35,31 @@ def test_delegates_localize_to_i18n
     I18n.expects(:localize).with(@time)
     localize @time
   end
-
+  
   def test_scoping_by_partial
-    I18n.expects(:translate).with(["test.translation.helper"], :raise => true).returns(["helper"])
+    I18n.expects(:translate).with("test.translation.helper", :raise => true).returns("helper")
     @view = ActionView::Base.new(ActionController::Base.view_paths, {})
     assert_equal "helper", @view.render(:file => "test/translation")
   end
 
   def test_scoping_by_partial_of_an_array
-    I18n.expects(:translate).with(["test.scoped_array_translation.foo", "test.scoped_array_translation.bar"], :raise => true).returns(["foo", "bar"])
+    I18n.expects(:translate).with("test.scoped_array_translation.foo.bar", :raise => true).returns(["foo", "bar"])
     @view = ActionView::Base.new(ActionController::Base.view_paths, {})
-    assert_equal "foo, bar", @view.render(:file => "test/scoped_array_translation")
+    assert_equal "foobar", @view.render(:file => "test/scoped_array_translation")
   end
-
+  
   def test_translate_does_not_mark_plain_text_as_safe_html
-    I18n.expects(:translate).with(["hello"], :raise => true).returns(["Hello World"])
+    I18n.expects(:translate).with("hello", :raise => true).returns("Hello World")
     assert_equal false, translate("hello").html_safe?
   end
 
   def test_translate_marks_translations_named_html_as_safe_html
-    I18n.expects(:translate).with(["html"], :raise => true).returns(["<a>Hello World</a>"])
+    I18n.expects(:translate).with("html", :raise => true).returns("<a>Hello World</a>")
     assert translate("html").html_safe?
   end
 
   def test_translate_marks_translations_with_a_html_suffix_as_safe_html
-    I18n.expects(:translate).with(["hello_html"], :raise => true).returns(["<a>Hello World</a>"])
+    I18n.expects(:translate).with("hello_html", :raise => true).returns("<a>Hello World</a>")
     assert translate("hello_html").html_safe?
   end
 end