trigger

• 名词，指释放或启动某物的装置，例如枪械上的扳机，或引发某个过程或反应的装置。

A noun referring to a mechanism that releases or activates something, such as a catch on a gun or a device that initiates a process or reaction.

1. Firearm mechanismB1formal

   A small lever that is pulled to fire a gun.

   扳机

   • He placed his finger on the trigger.
   • The trigger was stuck, preventing the gun from firing.
   • She pulled the trigger and the shot rang out.

2. Cause or catalystB2formal

   Something that causes a particular event, reaction, or process to start.

   诱因

   • The announcement was the trigger for widespread protests.
   • Stress can be a trigger for anxiety attacks.
   • The economic crisis acted as a trigger for political change.

   同义词catalystimpetusincitementprovocationsparkstimulus

   反义词consequenceeffectoutcomeresult

3. Psychological triggerB2informal

   A stimulus that causes a strong emotional or psychological reaction, often related to trauma.

   心理触发点

   • Certain smells can be a trigger for her PTSD.
   • He avoids movies with violence as they are a trigger for him.
   • The therapist helped her identify her triggers.

   同义词activatorcueincitementprecipitantprovocationstimulus

• 动词，表示使某事开始发生或产生，常指突然引发或作为反应触发。

A verb used to indicate the act of causing something to start or happen, often suddenly or as a reaction.

1. Cause to happenB2formal

   To cause something to start or happen, often suddenly.

   触发

   • The loud noise triggered a panic among the crowd.
   • His comments triggered a heated debate.
   • The alarm is triggered by motion sensors.

   同义词actuatecauseelicitgenerateinduceinitiateprecipitatepromptprovokeset offspark

   反义词avertblockhaltpreventstop

2. Activate a mechanismB1formal

   To cause a device or system to start working.

   触发机制

   • Pulling the lever triggers the trapdoor.
   • The sensor triggers the lights when someone enters the room.
   • He triggered the security system by accident.

   同义词activateactuateinitiatelaunchset offstartswitch ontripturn on

   反义词deactivatedisarmhaltinhibitpreventstop

3. Cause emotional reactionB2informal

   To cause someone to feel a strong negative emotion, often related to past trauma.

   引发情绪反应

   • The movie triggered memories of her childhood.
   • Certain smells can trigger anxiety in some people.
   • He was careful not to trigger her anger.

   同义词elicitevokeinduceprovokeset offsparkstir uptouch off

   反义词calmcomfortreassurerelaxsoothe

短语动词变体trigger off