口齿伶俐

口齒伶俐
kǒuchǐlínglì
  1. eloquent and fluent speaker (idiom); grandiloquence
  2. the gift of the gab

CEDICT

比喻说话流畅，能言善道。

重編國語辭典

Entry Composition

1 口齿 kǒuchǐ
  1. mouth and teeth
  2. enunciation
  3. to articulate
  4. diction
  5. age (of cattle, horses etc)
2 伶俐 línglì
  1. clever; witty; intelligent
  2. deft; adroit