do one's best 使出全力

　　这是最为常用的表达之一。为了具体说明全力以赴的内容，可以在 do one's best 之后接to+动词。比如 I did my best to do my homework。

　　例句：

　　I'm doing my best! And she is doing her best!

　　我正在全力以赴，她也是！

　　I did my best under the circumstances.

　　在这种状况下我全力以赴了。

　　I will do my best to remember your birthday next year.

　　我会尽量记住你明年的生日的。

　　Now you go do your best.

　　现在你要全力以赴了。

　　对话：

　　A: I want you to study very hard in school.

　　我想你在学校里努力学习。

　　B: OK. I'll do my best.

　　好，我尽量。