Only take upon yourself those things that you know you can manage comfortably.

只做那些自己知道能应付自如的事情。

柯林斯例句

How could he take upon himself to say that?

他怎么能那样说 呢 ?

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How can you take upon yourself to behave so?

你怎么能这样表现 呢 ?

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This militia must take upon itself to distribute such food as there was.

这一支民团必须主动承担分发现有食物的责任.

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