you can't please everyone 你不可能讨好每一个人；你不能取悦每一个人；你不可能使每个人都高兴；众口难调

【例句】
Just remember that you can't please everyone all the time.
只要记住一点：你不可能永远都能够取悦每个人。

You can't please everyone, so you've got to please yourself.
众口难调，所以，你一定要讨好你自己。