司空見慣

司空见惯
sīkōngjiànguàn
a common occurrence (idiom)

CEDICT

Entry Composition

1 司空 Sīkōng two-character surname Sikong
2 見 jiàn
  1. to see
  2. to meet
  3. to appear (to be sth)
  4. to interview
  5. opinion
  6. view
3 慣 guàn
  1. accustomed to
  2. used to
  3. indulge
  4. to spoil (a child)