signal

讯号、信号

My phone gets almost no signal up in the mountains.

我的手机在山上几乎收不到讯号。

信号、暗号

She gave her teammate a quick signal before passing the ball.

她传球前迅速向队友打了个暗号。

征兆、迹象

Falling house prices are often a signal of weaker demand.

房价下跌往往是需求走弱的征兆。

导火线、起因

The court ruling was the signal for protests across the country.

那项判决成了全国各地抗争的导火线。

示意、打手势、发信号

The referee signaled to the players that the game could continue.

裁判示意球员比赛可以继续。

表示、显示、标志

The new policy signals a major shift in government thinking.

新政策标志著政府思维的重大转变。

打方向灯

Always signal before you turn or change lanes.

转弯或变换车道前一定要打方向灯。

显著的、重大的正式

Her team achieved a signal success in cancer research last year.

她的团队去年在癌症研究上取得重大成就。