that which arouses or excites, 1968, originally of psychedelic drugs, from verbal phrase turn on "activate (a mechanism)" (1833), specifically from figurative sense turn (someone) on "excite, stimulate, arouse," recorded from 1903; from turn (v.) + on (adv.).
双语例句
1. For what do we live, but to make sport for our neighbours, and laugh at them in our turn?
我们活着是为了什么？不就是给邻居当笑柄，再反过来笑他们。
来自《傲慢与偏见》
2. Today I might hesitate to turn in a burglar.
现在让我把入室窃贼送交警方，我可能会有所顾虑。
来自柯林斯例句
3. Sometimes things don't turn out the way we think they're going to.
有时事情并不像我们认为的那样发展。
来自柯林斯例句
4. The river widens considerably as it begins to turn east.
