turn on

• 短语动词，指开启或启动设备、机械或系统，也指突然对某人表现出敌意或攻击性。

A phrasal verb used to indicate activating or starting a device, machine, or system, or to suddenly become hostile or aggressive towards someone.

不可数 · 及物和不及物 · 短语动词，可分

1. Activate a deviceformal

   To cause a device, machine, or system to start operating.

   开启

   • Please turn on the lights when you enter the room.
   • She turned on the television to watch the news.
   • He turned on the computer to check his email.

   同义词activateenableenergizestartswitch on

   反义词deactivateshut offswitch offturn off

2. Excite or arouseinformal

   To cause someone to feel excitement, interest, or sexual arousal.

   使兴奋

   • That kind of music really turns me on.
   • The idea of adventure turns him on.
   • She was turned on by his confidence.

   同义词arouseexcitefireinflamekindlerousestimulatestirthrilltitillate

   反义词boredisgustoffendput offrepel

3. Attack or betrayinformal

   To suddenly become hostile or aggressive towards someone, often after being friendly.

   突然翻脸或背叛

   • The dog turned on its owner without warning.
   • He turned on his former allies during the argument.
   • The crowd turned on the speaker after his controversial remarks.

   同义词assailattackbetraygo forset upon

基本动词turn