set off

释义

出发；动身；使爆炸

使爆炸；引发

动身；出发

在例句中理解 4 句

1. Nichols set off for his remote farmhouse in Connecticut.

   尼科尔斯启程前往他位于康涅狄格州的偏远农舍。

2. The president's envoy set off on another diplomatic trip.

   总统特使再次踏上外交之旅。

3. Any escape, once it's detected, sets off the alarm.

   逃跑一旦被侦察到，就会触发警报。

4. Someone set off a fire extinguisher.

   有人打开了灭火器。