油光水滑

yóuguāngshuǐhuá
  1. sleek
  2. shiny and smooth

CEDICT

  1. 形容屡经磨拭而光滑细润。
  2. 形容人奸险狡诈，油嘴滑舌。

重編國語辭典

Entry Composition

1 油光 yóuguāng
  1. glossy
  2. gleaming
  3. shiny (due to greasiness)
  4. slick
  5. greasy
  6. oily
2 水 shuǐ
  1. water
  2. (after a name) ... River
  3. to swim (used mostly in 会水 huìshuǐ and 水性 shuǐxìng)
  4. (coll.) lacking in substance; shoddy
  5. (bound form) additional cost; extra income
  6. classifier for washings of a garment
3 滑 huá
  1. to slip; to slide
  2. slippery; smooth
  3. sly; slippery; not to be trusted

Related entries

流线型 liúxiànxíng
  1. sleek
  2. streamlined
光润 guāngrùn
  1. glossy
  2. lustrous
  3. sleek
润滑 rùnhuá
  1. smooth
  2. oily
  3. sleek
  4. to lubricate
润滑系统设计得不好。

The lubrication system was poorly designed.

Source: Tatoeba