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.Since they couldn't talk at the meeting, she caught her husband's eye and signaled that she wished to leave.
因为在会议中他们不能交谈，她便引起她丈夫的注意，暗示他她想离开。
2.With blanched cheeks, she signaled her mother to come inside the door of a vacant room.
她两颊苍白，招呼她母亲到一个空房间里去。
3.Researchers originally thought leptin signaled the body to stop eating and hoped that it might be harnessed as a weight-loss drug.
研究人员最初认为，瘦素能向人体发出停止进食的信号，并希望将其用作减肥药。
4.Mr. Ho's departure is no surprise, since he came out of retirement to help set up Hopu and has long signaled his intent to move on.
何潮辉的离开并不奇怪，因为他本来就是退休后复出而帮助组建厚朴基金的，并且一直表示有离开的意思。
5.He could then patiently wait for the next opportunity as signaled by his system or other technical method.
他可以耐心地等待系统或其它技术方法发出的信号。
6.after a little more doggy, I signaled her to roll over, entered her, classic missionary, and after just a few strokes I was ready.
在少许狗的交配方式以后，我发信号要她转过来，再次进入她，以经典的方式进行，并且在几个过程以后我准备好了。
7.She looked at him in wonder, but he signaled to her not to worry, and went back to the house to look for them there.
新娘惊异地看着他，他比划着让新娘不要着急，自己便回到房子里寻找钥匙。
8.Fed officials have signaled that there would be a 'very high bar' for a third easing, despite the economy's current weakness.
美联储官员曾经暗示，尽管当前经济疲弱，QE3实施的“门槛”将非常高。
9.Some 15 minutes later, he signaled to his buddy that he was out of air, and he pulled his buddy's regulator from his mouth.
大约15分钟以后，他发信号给好友示意他缺氧了，他把调节器从他好友的嘴上扯下来。
10.The meeting back in 1986 also signaled a small but subtle change in the role that DBAs play at the company.
早在1986年的会议中就表示，DBA在公司中发挥的作用将会有细小且微妙的变化。