不禁

她目睹愛犬在意外中離世，不禁淚如泉湧。

She shed plentiful tears when her beloved dog was killed in an accident.

這首歌太感人了，使我不禁流下了眼淚。

This song is so moving that it brings tears to my eyes.

她得知父親突然離世，不禁心如刀割。

She was filled with deep grief to hear of her father's sudden death.

他的信寫得很親切，她讀了以後不禁感動得哭了起來。

So friendly was his letter that she was deeply moved and began to cry.

他寫的文章只分析了問題的表面，所以他知道自己拿了全班最高分的時候，不禁感到十分驚訝。

His essay gave only a superficial analysis of the problem, so it was a real surprise to him when he got the highest grade in the class.