turn up&turn off&turn on用法
turn up:
vt. 朝上翻(出现,来到,,卷起,找到,被找到,出现,发生)
例句与用法:
1. I can't hear the radio very well; could you turn it up a bit?
收音机我听不太清楚, 你把声音开大点行吗?
2. We invited her to dinner but she didn't even bother to turn up.
我们请她吃饭她都不露面.
3. He turned up his coat collar against the chill wind.
他竖起大衣领抵御寒风.
4. Investment is turning up sharply.
投资额急遽增长.
5. I'm sure your watch will turn up one of these days.
我担保你的手表准有一天能找到.
6. He's still hoping something (eg a job or a piece of good luck) will turn up.
他仍在期待机会出现（如得到工作或好运）.
7. The farmer turned up a human skull while ploughing the field.
那农民 地时挖出一个人类的头颅骨.
8. The soil had been turned up by the plough.
那片地是用 翻的.
英英解释:
名词turn up:
1. the lap consisting of a turned-back hem encircling the end of the sleeve or leg
同义词：cuff, turnup
动词turn up:
1. appear or become visible; make a showing
同义词：come on, come out, surface, show up
2. bend or lay so that one part covers the other
同义词：fold, fold up
3. discover the location of; determine the place of; find by searching or examining
同义词：locate
4. be shown or be found to be
同义词：prove, turn out
5. find by digging in the ground
同义词：excavate, dig up
turn off:
关掉
例句与用法:
1. You should have had enough sense to turn off the electricity supply before disconnecting the wires.
你本来应该有足够的常识，在拆开电线之前先把电源切断。
2. Please turn off the electric power.
请把电源关掉。
3. Turn off the switch when anything goes wrong with the machine.
如果机器出故障，就把开关关掉。
4. Do you mind if I turn off the light?
我把灯关掉你不反对吗?
英英解释:
名词turn off:
1. something causing antagonism or loss of interest
同义词：turnoff, negative stimulation
2. a side road where you can turn off
同义词：turnoff
动词turn off:
1. cause to stop operating by disengaging a switch
同义词：switch off, cut, turn out
2. make a turn
3. cause to feel intense dislike or distaste
同义词：put off
turn on: [ tə:n ɔn ]
打开,拧开
v. 反对,攻击
例句与用法:
1. She's often turned on by men with beards.
有胡子的男子每每引起她的性欲。
2. Why are you all turning on me (ie criticizing or blaming me)?
你们为什麽都突然冲我来了（批评或责备我）?
3. The success of a picnic usually turns on the weather.
参加野餐是否尽兴，通常要看天气好坏。
4. The discussion turned on the need for better public health care.
讨论环绕着善公众卫生保健的必要性。
5. Jazz has never really turned me on.
我从未对爵士乐真正产生过兴趣。
6. His normally placid dog turned on him and bit him in the leg.
他那条狗平日很温顺, 这次突然发作咬了他的腿.
7. He asked me to turn on the radio for him.
他让我替他打开收音机。
8. He forgot to turn on the radio and thus missed the program.
他忘了打开收音机, 因此错过了那个节目。
英英解释:
名词turn on:
1. something causing excitement or stimulating interest
同义词：turn-on
动词turn on:
1. cause to operate by flipping a switch
同义词：switch on
2. be contingent on
同义词：depend on, devolve on, depend upon, ride, hinge on, hinge upon
3. produce suddenly or automatically
4. become hostile towards
5. cause to be agitated, excited, or roused
同义词：agitate, rouse, charge, commove, excite, charge up
6. stimulate sexually
同义词：arouse, sex, excite, wind up
7. get high, stoned, or drugged
同义词：trip, trip out, get off