不做亏心事，不怕鬼敲门

不做虧心事，不怕鬼敲門
bùzuòkuīxīnshì,bùpàguǐqiāomén
he who never wrongs others does not fear the knock in the night; you can rest with a clear conscience

CEDICT

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 做 zuò
  1. to make; to produce
  2. to write; to compose
  3. to do; to engage in; to hold (a party etc)
  4. (of a person) to be (an intermediary, a good student etc); to become (husband and wife, friends etc)
  5. (of a thing) to serve as; to be used for
  6. to assume (an air or manner)
3 亏心事 kuīxīnshì shameful deed
4 不怕 bùpà
  1. fearless
  2. not worried (by setbacks or difficulties)
  3. even if
  4. even though
5 鬼 guǐ
  1. disembodied spirit; ghost; devil
  2. (suffix) person with a certain vice or addiction etc
  3. sly; crafty; resourceful (variant of 诡 guǐ)
  4. one of the 28 constellations of ancient Chinese astronomy
6 敲门 qiāomén to knock on a door