vi.
咳，咳嗽：
Cover your mouth when you cough.
咳嗽时要捂上嘴。
发出咳嗽似的声音；发出嘎嘎声：
The engine began to cough on the hill.
在山坡上引擎发出嘎嘎的爆发声。
vt.
咳出(常与 up 连用)：
She coughed blood again this morning.
今天早晨她又咳血了。
He coughed up some drops of blood.
他咳出了几滴血。
[俚语]付出：
You'll have t