油嘴滑舌

yóuzuǐhuáshé
  1. glib
  2. oily-mouthed and smooth talking

CEDICT

speaking in a confident way but without careful thought or honesty; glib, being a fast-talker

Wiktionary

形容說話油滑、輕浮不實。

重編國語辭典

形容說話油滑、輕浮不實

維基詞典

Entry Composition

1 油嘴 yóuzuǐ
  1. eloquent and cunning
  2. silver tongued
2 滑 huá
  1. to slip; to slide
  2. slippery; smooth
  3. sly; slippery; not to be trusted
3 舌 shé tongue

Related entries

口若懸河 kǒuruòxuánhé
  1. mouth like a torrent (idiom)
  2. eloquent
  3. glib
  4. voluble
  5. have the gift of the gab
油 yóu
  1. oil
  2. fat
  3. grease
  4. petroleum
  5. to apply tung oil, paint or varnish
  6. oily
  7. greasy
  8. glib
  9. cunning
撒油那啦！

Sayonara!

Source: Tatoeba