Note the return check from del_timer, which identifies whether the timer is still in use.

注意来自 del_timer 的返回检查，它确定计时器是否还在使用。

youdao

You need to return it today if you want to check out any books today.

如果你今天要借出任何书的话，今天之内就得还这本书。

youdao

Check return values and handle exceptions.

检查返回值并处理异常。

youdao

If I come into this code, I'm going to check this branch first, if it's not true, ah, there's a return at the end of that branch. If it is true, I do that, and then I've got a second test. If it's true, return I return, otherwise a return.

但是如果我们看看这里,如果我看这段程序,我会先检查这一部分，如果它是假的，啊，这部分分支结尾有一个。

麻省理工公开课 - 计算机科学及编程导论课程节选

chickens OK, and then once I've got that, well, notice: I can then check to see, did I return that special symbol none?

第二部分是：,现在一旦我获得了这两个值，注意，我将再检查一下？

麻省理工公开课 - 计算机科学及编程导论课程节选

I check the return value of GetInt is greater than zero.

我检查了GetInt的返回值比0大。

哈佛公开课 - 计算机科学课程节选

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However, if the problem is not related to a tax preparer or software program (meaning you prepared your own return and did not check the boxes), you may need to file an amended return.

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The Spaniard spent 48 hours in hospital in Barcelona but was discharged on Monday and will return for a fitness check on Wednesday before making a final decision on his participation at Sepang and Phillip Island.

BBC: Matt Roberts MotoGP column