她打信号灯表示他就要转到左面去了。

She signaled that he was about to turn left.

youdao

直升机： “海洋里奥”船，这是直升机。请通过向我打信号灯以识别你船。请讲。

Ocean Leo: Helicopter. This is M/V Ocean Leo. I am now making identification signal, over.

youdao

毁船打劫者引诱船只失事的人，如通过在多岩石的海岸线上打信号灯，以掠夺其财物。

One who lures a vessel to destruction, as by a display of lights on a rocky coastline, in order to plunder it.

youdao