v.(動詞)

咳，咳嗽，咳出

（發動機等)發出咳嗽似的喀喀聲

認罪，供認

n.(名詞)

咳嗽

咳嗽病

咳嗽聲，類似咳嗽的聲音

真實可信的證據

用作動詞 (v.)

Cover your mouth when you cough.

咳嗽時要捂上嘴。

I cough a great deal last night.

我昨夜咳嗽得很厲害。

She cough to give him the hint that he shall go.

她咳了一聲，向他暗示他該走了。

用作名詞 (n.)

You really ought to/should do something about that cough!

你咳嗽那麼厲害，真得治一治了！

The baby has a cough.

嬰兒咳嗽了。