To prepare for the listening test, you should spend some time doing questions from past NETEM and Band 6 listening exams.

对于听力测试的准备，你们应该花费一些时间做NETEM和6级的听力考试题。

youdao

When you wait for something or someone, you spend some time doing very little, because you cannot act until that thing happens or that person arrives.

当等待某人或某事时，你长时间无所适从，无所事事，因为在某事发生或某人到来之前你素手无策！

youdao

In fact, I highly recommend if you get involved in using WEKA on your server, you spend some time doing that, since working with data in this way is tedious.

实际上，我强烈建议如果打算在服务器上使用WEKA，那么就不要怕花时间，因为以这种方式处理数据是很繁琐的。

youdao

What I want to spend the rest of the time doing is talking about some of the biological properties of DNA.

下面的时间我将讲解,一些DNA的生物学特性

耶鲁公开课 - 生物医学工程探索课程节选

Since you may have a lot of time on your hands for the next couple of days, you might want to print this out so you can spend some of that time doing disaster tax planning, after the power goes out.

FORBES: Hurricane Sandy Tax Planning

They spend their time doing easy stuff instead of the hard stuff like recruiting terrorists because they're afraid that some day it might come back to bite them.

BBC