set off

• 短语动词，表示开始旅程、引发爆炸，或启动某个反应或事件。

A phrasal verb used to indicate the act of beginning a journey, causing something to explode, or triggering a reaction or event.

不可数 · 不规则动词 · 及物和不及物 · 短语动词，可分

1. Begin a journeyformal

   To start a trip or journey.

   出发

   • They set off for the airport at dawn.
   • We set off on our hike early in the morning.
   • The explorers set off across the desert.

   同义词departembarkget goinghead offleavesally forthset outstart outstrike outtake off

   反义词arrivereturn

2. Cause an explosionformal

   To cause something to explode or ignite.

   引爆

   • The bomb was set off by a remote control.
   • Fireworks were set off to celebrate the holiday.
   • A spark set off the gas leak.

   同义词blastdetonatedischargeexplodeignitelet offsparktouch offtrigger

3. Trigger or initiateformal

   To cause something to start or happen, often suddenly.

   引发

   • The news set off a wave of panic.
   • His comments set off a heated debate.
   • The alarm was set off by a mouse.

   同义词activateigniteinitiatelaunchprecipitatepromptprovokesparkstarttrigger

   反义词abortceaseendhaltpreventstopterminate

4. Enhance or contrastformal

   To make something more noticeable or attractive by contrast.

   衬托

   • The dark frame sets off the painting beautifully.
   • Her red dress was set off by the green background.
   • The bright colors set off the design perfectly.

   同义词accentuatecomplementenhancehighlightshow off

   反义词camouflageconcealdiminishhidemaskobscuresubdue

基本动词set