见怪不怪

見怪不怪
jiànguàibùguài
to have seen sth so often that it doesn't seem strange at all; to be well accustomed (to sth)

CEDICT

to keep one's calm in the face of the unexpected; to not wonder at strange sights

Wiktionary

遇到奇怪的事物而不觉得奇怪。比喻处事镇定。

重編國語辭典

Entry Composition

1 见怪 jiànguài
  1. to mind
  2. to take offense
2 不 bù
  1. no; not so
  2. (bound form) not; un-
=3 怪 guài
  1. bewildering
  2. odd
  3. strange
  4. uncanny
  5. devil
  6. monster
  7. to wonder at
  8. to blame
  9. quite
  10. rather
=3 怪 guài variant of 怪 guài