Use a stopwatch and set a limit.

使用秒表并且设定时间。

youdao

In this case, we set a limit on the amount of storage.

在这个案例中，我们对存储的大小设了一个限制。

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If you set a limit, you will be forced to choose just the important things.

当设下限制，你会不由自主地选择那些重要的事物。

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The president set a time limit of twenty fifteen for the design to be completed, after which building would begin.

VOA: special.2010.04.28

He set a time limit for withdrawal of most American troops from Iraq, while increasing the number of troops in Afghanistan.

VOA: special.2009.05.02

Congress set a time limit of seven years for the states to approve it.

VOA: special.2009.10.18

That, and a government that is not afraid to set a limit on immigration.

BBC: NEWS | UK | UK Politics | David Davis speech in full

The fact that they said they wouldn't set a limit and then withdrew, doesn't mean that they're not going to go back in, for example.

NPR: McCain, Obama Tussle over Iraq

This time, Collins said he and pitching coach Dan Warthen set a limit of how much Harvey would throw, but he refused to reveal that number.

WSJ: From Prospect to Ace in 13 Starts