repartee
n. 机敏的应答;妙语;巧辩
例句
She was good at repartee.
她善于机智地应答。
《柯林斯英汉双解大词典》
He is very sharp, a quick thinker and swift with repartee.
他很机敏、思维敏捷并且能机智应答。
I enjoy listening to their witty repartee.
我很喜欢听他们妙语连珠的对答。