He ought, to be sure, to have read over his lesson again, but that, you know, he could not do.

他当然应该再复习一遍功课，但你知道，他做不到。

youdao

I'm not sure there might be additional things that international students have to do like additional tests.

我不确定国际学生是否需要做额外的事情，比如额外的考试。

youdao

Nothing was to be done that he did not do himself; though I am sure (and I do not speak it to be thanked, therefore say nothing about it), your uncle would most readily have settled the whole.

样样事情都非得由他亲自来办不可；其实你舅父非常愿意全盘包办(我这样说并不是为了讨你的好，所以请你不要跟别人提起)。

youdao

I'm not sure there might be additional things that international students have to do like additional tests.

我不确定留学生录取是不是还有其他要求，比如说还要加试什么的。

被学问的自由所迷住 - SpeakingMax英语口语达人

But we're still working at it because these things are not easy to be able to make sure that they will do what we want them to.

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White House officials say safeguards would be in place to make sure the religious groups do not use the money to proselytize.

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