一件小事可以触发一场大战。

Some slight incident may touch off a major war.

《新英汉大辞典》

边境发生的这起事件触发了一场大战。

The incident on the frontier touched off a major war.

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这个漩涡星系将不可避免的被像太妃糖一样拉长，最后被那一对椭圆星系吞掉，而这将触发一场恒星诞生烈火风暴。

It is the fate of the spiral galaxy to be pulled like taffy and then swallowed by the pair of elliptical galaxies, which will trigger a firestorm of new stellar creation.

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