If you do, you must be an optimist, a leader, an active person who loves life, people and excitement.

如果你做到了，你一定是一个乐观主义者，一个领导者，一个热爱生活、热爱人际关系、热爱刺激的积极的人。

youdao

You must not agree to do it. Don't weaken.

你们一定不能同意做这件事。别心软。

《牛津词典》

Before you do that, you must learn about the concept of action scopes.

在你那样做之前，您必须先了解一下操作范围的概念。

youdao

But if you want to visit the newly opened Statue of Liberty, you must do it within the next two years.

VOA: special.2009.06.29

And then you've got to be willing to do the things you must do.

然后你必须对要做的事情有兴趣。

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Can you recommend some activities that we must do while we're here?

你能推荐一些我们在这里必须要尝试的娱乐活动吗？

有很多旅行者 - SpeakingMax英语口语达人

Run with what you have, do what you must do to achieve the objective, and ignore the consequences.

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But if you do, you must report your winnings on your income taxes.

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Thinking of what you should do instead of what you must do or want to do actually brings out the exact opposite response we are looking for when it comes to behavior change in personal finance.

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