--- a/panels/user-accounts/pw-utils.c	2015-03-17 07:25:21.000000000 -0400
+++ b/panels/user-accounts/pw-utils.c	2018-03-15 06:09:58.370000000 -0400
@@ -114,7 +114,7 @@
         case PWQ_ERROR_MIN_LENGTH:
                 return C_("Password hint", "Password needs to be longer. Try to add more letters, numbers and punctuation.");
         case PWQ_ERROR_EMPTY_PASSWORD:
-                return C_("Password hint", "Mix uppercase and lowercase and try to use a number or two.");
+                return C_("Password hint", "Mix at least three types of these: lower and upper case letters, digits and any of characters.");
         default:
                 return C_("Password hint", "Adding more letters, numbers and punctuation will make the password stronger.");
         }
--- a/po/zh_CN.po	2018-03-15 06:03:27.989000000 -0400
+++ a/po/zh_CN.po	2018-03-15 06:17:13.478000000 -0400
@@ -6200,8 +6200,8 @@
 
 #: ../panels/user-accounts/pw-utils.c:117
 msgctxt "Password hint"
-msgid "Mix uppercase and lowercase and try to use a number or two."
-msgstr "密码需要大小写字母混用并试着使用一到两个数字。"
+msgid "Mix at least three types of these: lower and upper case letters, digits and any of characters."
+msgstr "混合至少三种类型：大写字母，小写字母，数字和特殊字符。"
 
 #: ../panels/user-accounts/pw-utils.c:119
 msgctxt "Password hint"