You have every thing, every hardship suffered by you, all will at some time in your life to come in handy.

你学过的每一样东西，你所遭受的每一次苦难，都是会在你一生中的某个时候去派上用场。

youdao

"It pays to save things," he said in his surly voice. "a rat never knows when something is going to come in handy."

“这就是收藏的回报，”他以一种不容置疑的口气说，“一只老鼠从不知道何时会发生想不到的事情。”

youdao

The ability to shimmy up a length of bamboo might prepare one for life as a scaffolder over here, but when is the ability to juggle large flowerpots with your feet going to come in handy?

在一段竹竿上自如摆动或许更像是脚手架上工人的职业技能了，但轻而易举地用两只脚轮番杂耍花盆又有几人能做到呢？

youdao

So let's go to some actual real examples, which might come more in handy for this class.

下面让我们来看一些正确应用它的例子，这些例子在这个课堂上应该更容易一些。

麻省理工公开课 - 化学原理课程节选

Some of you are probably going to be doctors and you don't know why I'm going to do special relativity or quantum mechanics, but you don't know when it will come in handy.

你们中的有些人可能会成为医生,但你们现在不能理解,我为什么要讲相对论和量子力学,但是说不定什么时候,你就用上了呢

耶鲁公开课 - 基础物理课程节选

You know when I thought dynamic pricing was going to come in handy?

FORBES: The Powerful Voices of Female Millennials

The oil money is going to come in handy in the Conservancy's efforts to protect land from clear-cutting, strip malls and other heavy development.

FORBES: Eco-Pragmatists

If the Senate ratifies the CWC, moreover, the administration has announced that it intends to interpret the treaty so broadly as to deny American troops the use of humane, nonlethal weapons like tear gas which are likely to come in handy in places like Haiti.

CENTERFORSECURITYPOLICY: A Noxious Arms Control Treaty