"something that dampens one's spirits" recorded by 1971 (said to have been in use since 1968), from verbal phrase turn off "stop the flow of" (1850), from turn (v.) + off (adv.). Turn-off (n.) as "place where one road diverges from another" is from 1881.
雙語例句
1. For what do we live, but to make sport for our neighbours, and laugh at them in our turn?
我們活著是為了什么？不就是給鄰居當笑柄，再反過來笑他們。
來自《傲慢與偏見》
2. He said they should turn their fire on the Conservative Party instead.
他說他們應(yīng)該掉轉(zhuǎn)槍口，向保守黨開火。
來自柯林斯例句
3. Today I might hesitate to turn in a burglar.
現(xiàn)在讓我把入室竊賊送交警方，我可能會有所顧慮。
來自柯林斯例句
4. Sometimes things don't turn out the way we think they're going to.
有時事情并不像我們認為的那樣發(fā)展。
來自柯林斯例句
5. The river widens considerably as it begins to turn east.