Often appears in the chengyu 妙语连珠 (miàoyǔ-liánzhū) — 'witty lines strung like pearls', describing someone whose speech sparkles with one good line after another. A high compliment for hosts, comedians, and skilled debaters.
memory
妙 (miào, marvellous / clever — same as in 美妙 wonderful, 奇妙 magical) + 语 (yǔ, speech). Literally 'clever speech' = a witty remark.