He is eloquent and humorous as well. What he says never fails to please us.
他口才好又幽默，他说的话总能让所有人都高兴。

She has the gift of the gab.
她口才很好。

The speaker had great powers of utterance.
那个演讲人很有口才。

His silvery tongue began to wag.
他那张能说善道的嘴马上活动起来。

Poetry flows spontaneous to her lips.
她出口成章。

He made a speech straight off the reel without stumbling over a word.
他口若悬河，一字不顿地发表了演讲。

I enjoy listening to their witty repartee.
我很喜欢听他们妙语连珠的对答。

My father was an aggressive, fast-talking operator.
我的父亲是个敢作敢为，口齿伶俐的精明人。