They were alarmed by a sudden attack.

突然袭击使他们大为惊恐。

youdao

The sentry defended the gate against sudden attack.

哨兵守卫大门以防突然袭击。

youdao

The sentry defended the platoon against sudden attack.

哨兵保卫那个排不受突然袭击。

youdao

A seizure is a sudden attack that may affect a person's mind or body for a short period.

VOA: special.2010.10.26

The program has reduced the number of incidents of sudden cardiac arrest, or heart attack,in these athletes.

VOA: standard.2009.12.12

The same goes for his sudden attack of conscience, which causes his final task to go badly awry.

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The Intensive Care Unit (ICU) where sickle cell patients go for treatment when suffering a sudden attack lost all five of its consultants and one of them is still in jail.

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In 1970, both men died, the salesman, of a sudden heart attack on a tennis court, and the professor, of cancer.

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