They dare not play jokes on him in case he becomes angry.

他们不敢和他开玩笑以防他会生气。

youdao

My friend becomes quiet when his girlfriend is angry with him; today he is quiet and so I deduce she is angry.

我的朋友在他的女朋友生他的气的时候就会变得沉默，今天他很沉默，所以我推断她生气了。

youdao

My friend becomes quiet when his girlfriend is angrywith him; today he is quiet and so I deduce she is angry.

我的朋友在他的女朋友生他的气的时候就会变得沉默，今天他很沉默，所以我推断她生气了。

youdao

When, at the end, she reneges on the deal, he becomes so angry that he tears himself in two.

NEWYORKER: Once Upon a Time

As he becomes increasingly flustered and angry, it's clear that his naive belief in hard work and honesty is simply laughable to this pair.

WSJ: Review: Mike Bartlett waves red flag with 'Bull'

Nobuyuki Idei, the chairman of Sony, becomes visibly angry as he describes how supporting "government operated" industries (he is referring to monopolies in areas like energy and telecommunications, as well as the rural-construction economy) severely handicaps such companies as Honda, Toyota and his own.

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