放弃的英文短语是什么

　　He is obstinate and determined and will not give up.

　　他固执、坚决，不会放弃。

　　She will not give up her children without a struggle.

　　她不会轻易放弃自己的孩子。

　　Once they get an idea into their heads, they never give up.

　　他们一旦接受了某个想法，就永远不会放弃。