A thin cable carries the signal to a computer.

一条细电缆把信号传给一台计算机。

《柯林斯英汉双解大词典》

Holly waited at a stoplight, impatient for the signal to change.

霍利在交通信号灯处不耐烦地等着信号改变。

《柯林斯英汉双解大词典》

This act was a signal to his victim's friends that he was someone to be reckoned with.

这一举动是给为他所害者的朋友们的一个信号，告诉他们他是个必须被小心对付的人。

《柯林斯英汉双解大词典》

In most places in the world, a green light is a signal to move ahead.

VOA: special.2010.05.23

This densely tangled thicket of clustered consonants in this amazing couplet is a signal to us of the weight, of the import, of this terrible event.

这个密集杂乱的灌木丛,在这个对句中，弥尔顿给我们传递出一个信号，在这个可怕的事件中。

耶鲁公开课 - 弥尔顿课程节选

Listen for a while and your body almost will start to tell you start to signal to you, where the downbeat is.

听一会,然后你们的身体大致才会告诉你们,开始给你们信号,告诉你重拍在哪里

耶鲁公开课 - 聆听音乐课程节选

Last week the Boy Scouts sent an important signal to gay youth: You are not different.

CNN: Why bias puts young gays' health at risk

But it was also about sending a signal to voters that the government was getting tough.

ECONOMIST: The government hits a legal roadblock

The U.S. should signal to the world that it is ready to resume leadership on trade.

WSJ: Kevin W. Warsh: The New Malaise and How to End It