He feels that volunteering is doing his part.

他觉得志愿活动是他的责任。

Do you part and get along and you'll have no problems here.

做好你的事，保持下去，就没问题了。

8.Do or die

Definition: complete a task or utterly fail

定义：非做不可，背水一战。

It's do or die time now. We're getting married!

现在非做不可了，我们结婚了！

Well John, it's do or die. Let's go!

好吧，约翰，背水一战的时候到了，上吧！

9.Do someone good

Definition: be beneficial for someone

定义：对某人有好处

I think taking the week off will do you good.

我觉得休息一周对你有好处。

She told me a massage would do me good.

她告诉我一个有利的消息。

10.Do something over

Definition: repeat an action often because of a poor start

定义：由于不好的开头而重复某个动作

Let's do that over! I wasn't concentrated enough!

再做一次！我还不够专注！

I'd love to do college over if I had the chance.

如果有机会，我真想再上一次大学。

11.Do someone proud

definition: do something so well that another person is proud of you

定义：因某事做得出色使得别人为你骄傲。

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