Lorry drivers say they have almost abandoned the practice of signal cars to overtake when the road is clear, because many of the cars took too long to pass.

卡车司机说，他们几乎已经放弃了信号灯车在道路畅通时超车的做法，因为很多车辆都花了很长时间才超车。

youdao

The reception was a little faint but clear enough for him to receive the signal.

接收有些弱，但足够清晰到使他能够接收信号。

《柯林斯英汉双解大词典》

There were 15 minutes between the first air raid alert and the sounding of the all-clear signal.

从第一个空袭警报到警报解除号音其间有15分钟。

《柯林斯英汉双解大词典》

Today,VOA broadcasts to satellites in space that send the signal back to stations on the ground that transmit programs with a clear signal.

VOA: special.2010.12.08

German Chancellor Angela Merkel said it is important to send a clear signal to the Afghans that more responsibility for running and securing their country is coming their way.

VOA: standard.2009.09.07

"We have now to concretize the measure which have been agreed upon 11 April and we have to send a clear signal that we will not let down Greece, and I think that is the bottom line of everything."

VOA: standard.2010.04.28

However, the confusion over whether or not a buy signal was clear continues in March of this year.

FORBES: Use The Momentum Strategy To Your Advantage

The signal is clear: There is a line in the Senate, up to which the revolution must march in order to satisfy the right, but beyond which it cannot go.

CNN: Senate passes GOP budget bill, 52-47

Tell me when the signal is clear.

NEWYORKER: Another Manhattan