每当我们遇到困难时，他们总来帮助我们。

Whenever we met with difficulties, they came to help us.

《新英汉大辞典》

每当我们粉刷一个房间时，我们首先要把家具搬到另一个房间。

Every time we paint a room, we first have to move the furniture to another room.

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每当我们遇到困难时，我们绝不能灰心，而是要努力想办法解决。

Whenever we are in trouble, we must never lose heart, but try to think of the way out.

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And we hope that at the end of the class, every time you're confronted with some technical problem, one of your first instincts is going to be, "How do I write the piece of code that's going to help me solve that?"

并且我们希望到了期末，每当你要面对一些,技术问题的时候，你们的本能之一将会是：,“我怎么才能编写一个代码,来帮我解决这问题？“

麻省理工公开课 - 计算机科学及编程导论课程节选

But whenever we've had a reform era there's been a big issue, or two or three or four.

但每当我们有一个改革的时代,都会存在一个,两个,三个或者四个大问题

耶鲁公开课 - 美国内战与重建课程节选

Finally, in the examples we're giving, whenever the pig does something you like you reinforce it.

最后，在我们之前提到的例子里，每当那头猪做出让你满意的行为,你就会强化它。

耶鲁公开课 - 心理学导论课程节选