他按响了喇叭以提醒行人。

He honked his ___horn to alert the pedestrians.

船只的雾角声在薄雾中回荡。

The ship's fog ___horn echoed through the mist.

听到一声响亮的汽车喇叭声，我吓了一跳。

I jumped when I heard the loud blast of a car ___horn.