一塵不染 yī chén bù rǎn

DEFINITIONS

  1. untainted by even a speck of dust (idiom); selfless and incorruptible
  2. spotless

CHARACTERS

一 yī
HSK 1
one; a, an; alone
塵 chén dust, dirt, ashes, cinders
不 bù
HSK 1
no, not; un-; negative prefix
染 rǎn
HSK 4
dye; be contagious; infect