leave on
leave on — 片語動詞
- leave onbase form
- leaves on3rd person singular
- leaving on-ing form
- left onpast simple
1. to let a machine, light, or other device keep working by not switching it off
不關；開著
讓設備繼續運轉不關閉
to let a machine, light, or other device keep working by not switching it off
Omar left the television on while he cooked dinner in the kitchen.
Omar 在廚房煮晚餐時，電視一直開著沒關。
pattern: leave + [device] + on
Ritu always leaves her computer on so she can check messages right away.
Ritu 總是讓電腦開著，這樣她可以立刻查看訊息。
habitual: always leaves + [device] + on
The classroom lights were left on all night by the cleaning team.
教室的燈整晚都沒關，是清潔人員忘記關的。
passive: be left on
Leaving the oven on while you go out could start a fire, the teacher warned.
出門時讓烤箱開著可能會引發火災，老師警告說。
warning context: leave + oven + on
Cole left the engine on to keep the car warm while he cleared snow.
Cole 讓引擎繼續開著以保持車內溫暖，同時他清理積雪。
- leave the lights on
- leave the TV on
- leave the computer on
- leave the oven on
- keep running
more explicit about the continuous operation of a machine
- not turn off
literal paraphrase; less idiomatic but clearer for learners
- turn off
opposite action — stopping the device from working
- switch off
same as 'turn off', used especially for lights and electronics
文法句型
leave + noun/pronoun + on
用法筆記
Frequently used with devices that consume electricity or fuel (lights, TV, oven, computer, engine). The object must go between 'leave' and 'on' — never 'leave on + object'.
常見錯誤
2. to continue wearing a piece of clothing rather than taking it off your body
不脫；穿著
繼續穿著不取下
to continue wearing a piece of clothing rather than taking it off your body
Kasia left her hat on during the whole outdoor ceremony.
Kasia 在整個戶外儀式中都戴著帽子沒脫。
pattern: leave + [garment] + on
Asher left his glasses on when he jumped into the swimming pool.
Asher 跳進游泳池時還戴著眼鏡沒拿下來。
The children left their wet shoes on and mud covered the hallway floor.
孩子們穿著濕鞋子沒脫，泥巴弄得走廊地板到處都是。
plural object: leave + their [garments] + on
It was so cold inside that Naoko left her coat on at the dinner table.
裡面太冷了，Naoko 吃飯時外套一直穿著沒脫。
indoor context: leave + coat + on despite being indoors
Tuan left his jacket on because the restaurant had the air conditioner running.
Tuan 穿著外套沒脫，因為餐廳冷氣開得很強。
- leave your coat on
- leave your shoes on
- leave your hat on
- leave your jacket on
- keep on
more general; can be used with any garment in any context
- not take off
literal paraphrase; less idiomatic but helpful for understanding
- take off
opposite action — removing a garment from the body
文法句型
leave + article of clothing + on
用法筆記
Often used in situations where removing the garment would be normal (e.g., coming indoors, sitting at a table). The object goes between 'leave' and 'on'.