警示

Then without warning, the troops opened fire on the crowd.

接着军队未作警示便向人群开了火。

Some fog warning signs had been put up with flashing yellow lights.

一些配有黄色闪光灯的大雾警示标志立了起来。

We put a notice on the side of the box.

我们在箱子的一侧贴了警示标。

At intervals there were red warning lights.

红色警示灯一明一灭地闪着。

We´ve all seen enough dummies catapulting through windscreens in TV warnings to know the dangers of not wearing seat belts.

在电视里，假人穿过挡风玻璃飞出去的警示镜头我们见得多了，知道不系安全带的危险。