Exception filters allow you to filter exceptions before catching them.

异常过滤器允许你在捕获异常前进行过滤。

youdao

The villagers, seeing many monkeys around, went out to the forest and started catching them.

村民们见周围到处都是猴子，便开始在树林里捕捉它们。

youdao

The villagers, seeing that there were many monkeys around, went out to the forest and started catching them.

村民们知道在这附近有很多猴子，于是他们到森林里去，开始捕捉猴子。

youdao

After the failed bombing, President Obama visited police in New York and congratulated them for catching Shahzad.

VOA: standard.2010.05.18

it's not as good as helping debug, sorry, that's the wrong way of saying it's not as good at catching some things before you run them, it is easier at some times in debugging as you go along on the fly.

它在帮助我们调试方面可能不是太优秀，对不起，这么说有点不正确,它在运行前捕捉错误,可能不是那么优秀，可能边运行边调试,会更容易一些。

麻省理工公开课 - 计算机科学及编程导论课程节选

You're dealing with - sometimes you're catching people at their absolute worst, and sometimes you're catching them at their absolute best.

NPR: 'Low and Behold': A Post-Disaster New Orleans

Then I started catching them with regularity (I released them all).

FORBES: I Killed An Elk. Am I A Murderer?

Because of its dense growth, it blocks sunlight from reaching the lake's native aquatic plants, which affects fish and other marine life-- and those who make their livelihoods catching them.

CNN: Flower power threatens Kenya's Lake Victoria