You have to have your wits about you in a dangerous situation.

在危急的情况下,你得随机应变.

《简明英汉词典》

He was in a dangerous situation.

他处境很危险.

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They behaved very coolly in a dangerous situation.

他们处在危险境况时表现很冷静.

辞典例句

The investors were stuck in a dangerous situation.

投资者陷入了一种危险的境地.

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