horn

n. 喇叭
n.(牛、羊等的)角, 喇叭, 触角
v.装角

The driver blew his horn when the child stepped in front of the car.

当小男孩走到汽车前面时，汽车司机按响了喇叭。

He is an agreeable fellow, but likes to blow his own horn.

他是一个随和的人，但就是喜欢自吹自擂。