a danger/warning/distress, etc. signal
危险、警告、求救等信号
At an agreed signal they left the room.
收到约定的信号后，他们离开了房间。
The siren was a signal for everyone to leave the building.
警报器一响，就是要所有人离开大楼。
When I give the signal , run!
我一发信号，你就跑！
All I get is a busy signal when I dial his number(= his phone is being used) .
我什么时候拨他的电话听到的都是忙音。
hand signals(= movements that cyclists and drivers make with their hands to tell other people that they are going to stop, turn, etc.)
（骑车人和驾车人的）示意手势
The rise in inflation is a clear signal that the government's policies are not working.
通货膨胀率的上升清楚地表明，政府的政策不起作用。
Chest pains can be a warning signal of heart problems.
胸部疼痛可能是心脏病的先兆。
Reducing prison sentences would send the wrong signals to criminals.
减刑会向犯罪分子发出错误的信号。
traffic signals
交通信号灯
a stop signal
停车信号
TV signals
电视信号
a high-frequency signal
高频信号
a radar signal
雷达信号
to detect/pick up signals
探测到╱收到信号
to emit a signal
发射信号
I couldn't get a signal on my cell phone.
我的手机接收不到信号了。
Don't fire until I signal.
等我发出信号后再开枪。
Did you signal before you turned right?
右转弯前你示意了吗？
He signalled to the waiter for the bill.
他示意服务员结账。
He signalled to us to join him.
他示意要我们去他那儿。
She signalled him to follow.
她示意他跟她走。
The referee signalled a foul.
裁判鸣哨示意犯规。
She signalled (that) it was time to leave.
她示意该走了。
You must signal which way you are going to turn.
你要朝哪个方向转，必须发出信号。
This announcement signalled a clear change of policy.
这个声明显示政策有明显的改变。
The scandal surely signals the end of his political career.
毫无疑问，这桩丑闻预示他的政治生涯就此结束。
He signalled his discontent by refusing to vote.
他拒绝投票以示不满。
She has signalled (that) she is willing to stand as a candidate.
她表示愿意作为候选人参加竞选。
a signal honour
极大的荣誉
1.信号,暗号;信号器
2.预兆,征象
3.动机,导火线 (for)
1.显著的,非常的,优越的
2.暗号的,作信号用的
1.(〔英国〕 -ll-) 发信号[警报]给(人,船等);用信号[警报]通知(暴风,危险等);用动作[手势]示意;预示
1.a movement or sound made by someone that has a special meaning to another person; information sent from one thing or person to another using a piece of equipment or an organized system
2.a fact, event, or action that shows what someone intends to do or shows what is likely to happen
3.pictures, sound, or other information sent by one piece of electronic equipment and received by another one
4.a piece of equipment with colored lights on it that tells the driver of a vehicle to stop, go, or slow down
1.a movement or sound made by someone that has a special meaning to another person; information sent from one thing or person to another using a piece of equipment or an organized system
2.a fact, event, or action that shows what someone intends to do or shows what is likely to happen
3.pictures, sound, or other information sent by one piece of electronic equipment and received by another one
4.a piece of equipment with colored lights on it that tells the driver of a vehicle to stop, go, or slow down
1.especially important and noticeable
1.to make a movement or sound that has a special meaning to another person
2.to show that something is happening or will happen
3.if you signal a quality or your feelings, you show what you intend to do about something
1.Come on, do not signal, to see a really is not ah, may be the house signal is not good, it must have, wish, busy to run at the door.
不会吧，难道没有信号，一看果然是没啊，可能是屋子里信号不好，外面一定有，心想着，忙下榻就往门口跑。
2.Stepping out of the Signal Hill Park, you could take a stroll on the seashore sidewalk along the coast.
走出信号山公园，你可以去滨海步行道看看。
3.They made it a signal between them to knock at the door three times.
翻译他们以敲三下门作为他们的暗号。
4.This meter displays how much the signal is being attenuated by the compressor and the gate.
当压缩或噪声器的信号衰减多少，该表就会显示多少。
5.It's a signal as well that the U. S. economy may be starting to slacken after one of its most vigorous years in a decade.
这也显示，美国经济在经历10年来相当繁荣的一年之后，可能正开始衰退。
6.So, it pays to research the customs of any country you might be visiting before you use the "thumbs up" or any other type of hand signal.
因此，在你去一个国家之前，先调查一下它“竖起大拇指”的传统用法以及其它的一些手势是值得的。
7.However, the White House said any timetable would send the wrong signal to the enemies of the United States whether waivable or not.
然而，白宫表示，无论是否按照，任何时间表都会向美国的敌人传递错误的信号。
8.The law did not yield many inventions, but it did send a crucial signal that government would be friendly to private start-ups.
该法律并没有导致很多发明，但它发出了一个重要信号，即政府将采取对私营新建企业有利的政策。
9.the strength of financial markets tends to be seen as a signal that the economy is soundly based.
强健的金融市场倾向于被认为是经济良性发展的信号。
10.NASA is also employing one of its two ground rovers, the Opportunity, to try to listen for a weak signal from the silent satellite.
NASA同样也命令其中一个陆地巡航者，机遇号，来努力寻找来自这颗寂静卫星的微弱信号。