That means you can give someone advice but you cannot force him to do something he does not want to do.

VOA: special.2009.07.12

when you want someone to, not to do something that's going to be harmful or uncomfortable or strange.

或者你不希望某人做一些有害的，令人不安的或是奇怪的行为。

Don't 课堂 - SpeakingMax英语口语达人