to sound your horn【汽车】按喇叭；鸣喇叭
An impatient driver behind me sounded his horn.我后面的一个司机不耐烦了, 按响了喇叭。
2.(express publicly)+ warning, note of caution公开表示；公开提出
3.【言语】(word, letter, syllable, consonant)清晰地发…的音
to sound your consonants清晰地发出辅音
4.(measure depth)+ well, sea探测…的深度
5.【医】(probe, explore)+ cavity, passage用探子检查
6.【医】(examine)+ patient听诊