呶呶不休

náonáobùxiū
(idiom) to chatter endlessly; to talk nonstop

CEDICT

to chatter away; to talk endlessly

Wiktionary

嘮嘮叨叨說個不停。

重編國語辭典

嘮嘮叨叨說個不停

維基詞典

Entry Composition

1 呶呶 náonáo to talk endlessly, annoying everyone
2 不休 bùxiū
  1. endlessly
  2. ceaselessly

Related entries

喋喋不休 diédiébùxiū (idiom) to chatter endlessly; to talk nonstop