be on

• 短语动词，用于表示某事正在进行、播出或运作；或表示某人正在服用某种物质或药物。

A phrasal verb used to indicate that something is happening, being broadcast, or functioning; or to express that someone is taking a particular substance or medication.

不可数 · 不规则动词 · 不及物 · 短语动词，不可分

1. Be happening or taking placeinformal

   To be in progress or occurring.

   发生

   • What's on at the cinema tonight?
   • The concert is on next Friday.
   • Is the meeting still on for tomorrow?

   同义词come offgo onhappenoccurtake placetranspire

2. Be functioning or operatinginformal

   To be in a state of operation or activity.

   处于运行状态

   • The lights are on in the living room.
   • Is the television on?
   • The heating is on because it's cold outside.

   同义词be active

3. Be taking medication or drugsinformal

   To be using a particular substance, especially drugs or medication.

   服用药物

   • He is on antibiotics for his infection.
   • She is on painkillers after the surgery.
   • The doctor has him on a strict diet.

   同义词consumedotakeuse

4. Be in a relationship or agreementinformal

   To be in a romantic relationship or to agree to something.

   处于恋爱关系或达成一致

   • Are you two still on?
   • They are on for the party this weekend.
   • We are on for the deal.

   同义词agreeconcurgo out

基本动词be