pín zuǐ
talkative
garrulous
loquacious
flippant
jocular
pín zuǐ bó shé
garrulous and sharp-tongued
pín zuǐ huá shé
garrulous and sharp-tongued
shuǎ pín zuǐ
(coll.) to wag one's tongue
to indulge in idle gossip and silly jokes
to chatter endlessly
to speak glibly