Never complain and always work hard to achieve your dreams.

永远不要抱怨，一直努力去实现你的梦想。

youdao

Never complain that the others are richer than you!

决不要因为有的人比你富有而抱怨！

youdao

And you will never complain about your present life!

你就不会再抱怨自己缺东少西，你就不会再抱怨自己生不逢时。

youdao

How many people have folks like that in their lives? (Applause.) Never complain, just keep getting up?

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

Just as you should never complain or joke about your age at work, own it on the personal front too.

FORBES: Personal Branding After Hours: Applying 10 Rules to Dating

How many people do we know like that, who just never complain?

WHITEHOUSE: Remarks by the First Lady at a Campaign Event