go-off

柯林斯詞典

1. PHRASAL VERB If an explosive device or a gun goes off, it explodes or fires. (炸彈) 爆炸; (槍) 開擊
A few minutes later the bomb went off, destroying the vehicle. 幾分鍾後炸彈爆炸了，摧燬了那輛車。
2. PHRASAL VERB If an alarm bell goes off, it makes a sudden loud noise. (警報器) 突發(fā)巨響
Then the fire alarm went off. I just grabbed my clothes and ran out. 之後火警響了，我衹抓起衣服就跑了出去。
3. PHRASAL VERB If an electrical device goes off, it stops operating. (電氣設(shè)備) 停止運作
As the water came in the windows, all the lights went off. 隨著水從窗戶湧進(jìn)來，所有的燈都滅了。