turn on

US /tɜːrn ɑːn/
UK /tɜːrn ɑːn/
"turn on" picture
1.

打开, 启动

to start the flow or operation of something by means of a switch, button, or other control

:
Could you please turn on the lights?
请你打开灯好吗?
I need to turn on my computer to check emails.
我需要打开电脑来查收邮件。
2.

使兴奋, 吸引

to excite or stimulate (someone), especially sexually

:
That song always turns her on.
那首歌总是让她兴奋
His intelligence really turns me on.
他的智慧真的吸引我。
3.

攻击, 反目

to attack or become hostile toward (someone or something)

:
The dog suddenly turned on its owner.
那只狗突然攻击了它的主人。
The crowd turned on the speaker after his controversial remarks.
在发表了有争议的言论后,人群攻击了演讲者。