switch on

• فعل مركب يُستعمل للدلالة على تشغيل جهاز أو آلية أو نظام أو تفعيله بواسطة مفتاح أو زر.

A phrasal verb used to indicate the act of activating or starting a device, machine, or system by operating a switch or button.

غير معدود · متعدٍّ · فعل مركّب، قابل للفصل

1. Activate a deviceinformal

   To cause a device, machine, or light to start operating by pressing a button or moving a switch.

   تشغيل الجهاز

   • Please switch on the lamp, it's getting dark.
   • He switched on the computer to check his emails.
   • She switched on the television to watch the news.

   المرادفاتactivateenablestartturn on

   الأضدادdeactivateshut offswitch offturn off

2. Become lively or engagedinformal

   To become suddenly interested, energetic, or enthusiastic.

   ينشط

   • He really switches on when the topic of music comes up.
   • The audience switched on when the main speaker arrived.
   • She switches on as soon as she enters the classroom.

   المرادفاتcome alivefire uplight upliven upperk upwake up

الفعل الأساسيswitch