set off ( setting, sets )

• 1. 

  PHRASAL VERB When you set off, you start a journey. 启程; 出发

  例：

  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。

  例：

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

  总统特使再次踏上外交之旅。

• 2. 

  PHRASAL VERB If something sets off something such as an alarm or a bomb, it makes it start working so that, for example, the alarm rings or the bomb explodes. 引爆 (炸弹); 触发 (警报)

  例：

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

  逃跑一旦被侦察到，就会触发警报。

  例：

  Someone set off a fire extinguisher.

  有人打开了灭火器。

• 3. 

  PHRASAL VERB If something sets off an event or a series of events, it causes it to start happening. 引发; 激起

  例：

  The arrival of the charity van set off a minor riot as villagers scrambled for a share of the aid.

  赈济货车一到达，便引发了村民争抢救援物资的小规模骚乱。