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| NOUN |
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| /ˈsɪgn(ə)l/ |
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| 1 | a movement or sound made by someone that has a special meaning to another person 暗号；信号 |
| give (sb) a signal We waited for them to give us the signal to move. 我们等着他们给我们发出前进的信号。 |
| +to He gave a signal to his driver to carry on. 他示意司机继续开车。 |
| at a signal At the prearranged signal, we all jumped up and shouted ‘Surprise!’ 在约定的暗号发出时，我们都跳了出来，大叫一声“惊喜！” |
| do sth as a signal (of sth) They waved a flag as a signal of distress. 他们摇旗表示求救。 |
| mixed/conflicting signals (=signals that have different meanings) She knew she was sending him mixed signals. 有歧义/自相矛盾的信息 |
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| 2 | a fact , event , or action that shows what someone intends to do or shows what is likely to happen 征兆；预兆 |
| +of They had ignored the strong signals of an approaching economic crisis. 他们忽视了即将到来的经济危机的强烈征兆。 |
| +for/to The election was a signal for the party to rethink its strategies. 这次选举对该党来说是一个需要重新考虑其策略的信号。 |
| give/send a signal In terms of their personal relationships, teachers have to be very careful not to send students the wrong signals. 在个人关系方面，教师要特别谨慎，以免给学生发出错误的信号。 |
| read the signals (=understand their meaning correctly) When she told him she was leaving, Bill wasn’ t surprised – he had read the signals. 明白意思 |
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| 3 | technical pictures, sound , or other information sent by one piece of electronic equipment and received by another one （电子）信息，信号 |
| radio signals 无线电讯号 |
| carry a signal The copper wire carries the electrical signals. 铜丝可以传递电讯信号。 |
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| 4 | a piece of equipment with coloured lights on it that tells the driver of a vehicle to stop , go , or slow down 交通信号灯；红绿灯 |
| The signal was at green. 当时是绿灯亮着。 |
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| 5 | information sent from one thing or person to another using a piece of equipment or an organized system （传递的）信息 |
| sailors practising their semaphore signals 练习旗语的海员 |
| Words frequently used with signal | | signal 的常见搭配词 | | adjectives | clear, important, powerful, strong, unmistakable, | 2 | | verbs | carry, emit, generate, give, produce, send (out), transmit, | 3 | | | |
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