diff --git a/django/contrib/comments/admin.py b/django/contrib/comments/admin.py
index a651baaadf..bca638182c 100644
--- a/django/contrib/comments/admin.py
+++ b/django/contrib/comments/admin.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from django.contrib import admin
 from django.contrib.auth import get_user_model
 from django.contrib.comments.models import Comment
-from django.utils.translation import ugettext_lazy as _, ungettext
+from django.utils.translation import ugettext_lazy as _, ungettext, ungettext_lazy
 from django.contrib.comments import get_model
 from django.contrib.comments.views.moderation import perform_flag, perform_approve, perform_delete
 
@@ -52,17 +52,20 @@ class CommentsAdmin(admin.ModelAdmin):
 
     def flag_comments(self, request, queryset):
         self._bulk_flag(request, queryset, perform_flag,
-                        lambda n: ungettext('flagged', 'flagged', n))
+                        ungettext_lazy('%d comment was successfully flagged',
+                                       '%d comments were successfully flagged'))
     flag_comments.short_description = _("Flag selected comments")
 
     def approve_comments(self, request, queryset):
         self._bulk_flag(request, queryset, perform_approve,
-                        lambda n: ungettext('approved', 'approved', n))
+                        ungettext_lazy('%d comment was successfully approved',
+                                       '%d comments were successfully approved'))
     approve_comments.short_description = _("Approve selected comments")
 
     def remove_comments(self, request, queryset):
         self._bulk_flag(request, queryset, perform_delete,
-                        lambda n: ungettext('removed', 'removed', n))
+                        ungettext_lazy('%d comment was successfully removed',
+                                       '%d comments were successfully removed'))
     remove_comments.short_description = _("Remove selected comments")
 
     def _bulk_flag(self, request, queryset, action, done_message):
@@ -75,10 +78,7 @@ class CommentsAdmin(admin.ModelAdmin):
             action(request, comment)
             n_comments += 1
 
-        msg = ungettext('1 comment was successfully %(action)s.',
-                        '%(count)s comments were successfully %(action)s.',
-                        n_comments)
-        self.message_user(request, msg % {'count': n_comments, 'action': done_message(n_comments)})
+        self.message_user(request, done_message % n_comments)
 
 # Only register the default admin if the model is the built-in comment model
 # (this won't be true if there's a custom comment app).
diff --git a/django/utils/timesince.py b/django/utils/timesince.py
index 1721f097bd..d70ab2ffe1 100644
--- a/django/utils/timesince.py
+++ b/django/utils/timesince.py
@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 import datetime
 
 from django.utils.timezone import is_aware, utc
-from django.utils.translation import ungettext, ugettext
+from django.utils.translation import ugettext, ungettext_lazy
 
 def timesince(d, now=None, reversed=False):
     """
@@ -19,12 +19,12 @@ def timesince(d, now=None, reversed=False):
     Adapted from http://blog.natbat.co.uk/archive/2003/Jun/14/time_since
     """
     chunks = (
-      (60 * 60 * 24 * 365, lambda n: ungettext('year', 'years', n)),
-      (60 * 60 * 24 * 30, lambda n: ungettext('month', 'months', n)),
-      (60 * 60 * 24 * 7, lambda n : ungettext('week', 'weeks', n)),
-      (60 * 60 * 24, lambda n : ungettext('day', 'days', n)),
-      (60 * 60, lambda n: ungettext('hour', 'hours', n)),
-      (60, lambda n: ungettext('minute', 'minutes', n))
+        (60 * 60 * 24 * 365, ungettext_lazy('%d year', '%d years')),
+        (60 * 60 * 24 * 30, ungettext_lazy('%d month', '%d months')),
+        (60 * 60 * 24 * 7, ungettext_lazy('%d week', '%d weeks')),
+        (60 * 60 * 24, ungettext_lazy('%d day', '%d days')),
+        (60 * 60, ungettext_lazy('%d hour', '%d hours')),
+        (60, ungettext_lazy('%d minute', '%d minutes'))
     )
     # Convert datetime.date to datetime.datetime for comparison.
     if not isinstance(d, datetime.datetime):
@@ -40,19 +40,19 @@ def timesince(d, now=None, reversed=False):
     since = delta.days * 24 * 60 * 60 + delta.seconds
     if since <= 0:
         # d is in the future compared to now, stop processing.
-        return '0 ' + ugettext('minutes')
+        return ugettext('0 minutes')
     for i, (seconds, name) in enumerate(chunks):
         count = since // seconds
         if count != 0:
             break
-    s = ugettext('%(number)d %(type)s') % {'number': count, 'type': name(count)}
+    result = name % count
     if i + 1 < len(chunks):
         # Now get the second item
         seconds2, name2 = chunks[i + 1]
         count2 = (since - (seconds * count)) // seconds2
         if count2 != 0:
-            s += ugettext(', %(number)d %(type)s') % {'number': count2, 'type': name2(count2)}
-    return s
+            result += ugettext(', ') + name2 % count2
+    return result
 
 def timeuntil(d, now=None):
     """
diff --git a/tests/regressiontests/comment_tests/tests/moderation_view_tests.py b/tests/regressiontests/comment_tests/tests/moderation_view_tests.py
index 0f83d5e210..0abeff9687 100644
--- a/tests/regressiontests/comment_tests/tests/moderation_view_tests.py
+++ b/tests/regressiontests/comment_tests/tests/moderation_view_tests.py
@@ -1,9 +1,10 @@
-from __future__ import absolute_import
+from __future__ import absolute_import, unicode_literals
 
 from django.contrib.auth.models import User, Permission
 from django.contrib.comments import signals
 from django.contrib.comments.models import Comment, CommentFlag
 from django.contrib.contenttypes.models import ContentType
+from django.utils import translation
 
 from . import CommentTestCase
 
@@ -281,3 +282,28 @@ class AdminActionsTests(CommentTestCase):
         response = self.client.get('/admin2/comments/comment/')
         self.assertEqual(response.status_code, 200)
         self.assertNotContains(response, '<option value="delete_selected">')
+
+    def performActionAndCheckMessage(self, action, action_params, expected_message):
+        response = self.client.post('/admin/comments/comment/',
+                                    data={'_selected_action': action_params,
+                                          'action': action,
+                                          'index': 0},
+                                    follow=True)
+        self.assertContains(response, expected_message)
+
+    def testActionsMessageTranslations(self):
+        c1, c2, c3, c4 = self.createSomeComments()
+        one_comment = c1.pk
+        many_comments = [c2.pk, c3.pk, c4.pk]
+        makeModerator("normaluser")
+        self.client.login(username="normaluser", password="normaluser")
+        with translation.override('en'):
+            #Test approving
+            self.performActionAndCheckMessage('approve_comments', one_comment, '1 comment was successfully approved')
+            self.performActionAndCheckMessage('approve_comments', many_comments, '3 comments were successfully approved')
+            #Test flagging
+            self.performActionAndCheckMessage('flag_comments', one_comment, '1 comment was successfully flagged')
+            self.performActionAndCheckMessage('flag_comments', many_comments, '3 comments were successfully flagged')
+            #Test removing
+            self.performActionAndCheckMessage('remove_comments', one_comment, '1 comment was successfully removed')
+            self.performActionAndCheckMessage('remove_comments', many_comments, '3 comments were successfully removed')