我喊“一、二、三，开始！”作为你开始的信号。

I'll say 'One, two, three, go!' as a signal for you to start.

《牛津词典》

我一发信号，你就跑！

When I give the signal , run!

《牛津词典》

你要朝哪个方向转，必须发出信号。

You must signal which way you are going to turn.

《牛津词典》

It's annoying because your brains are wired up so that that baby cry is going to drive you up the wall.

它干扰到了，因为大脑接到信号,孩子哭是向你发出信号。

耶鲁公开课 - 心理学导论课程节选

As long as people... As long as you signal and people know where you are going and what you are going to do,

只要人们……只要你发出信号，人们知道你要去哪儿，你要做什么，

我使用自行车 - SpeakingMax英语口语达人

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