未可厚非

wèikěhòufēi
  1. not to be censured too strictly (idiom)
  2. not altogether inexcusable
  3. understandable

CEDICT

Entry Composition

1 未可 wèikě cannot
2 厚 hòu
  1. thick
  2. deep or profound
  3. kind
  4. generous
  5. rich or strong in flavor
  6. to favor
  7. to stress
3 非 fēi
  1. to not be; not
  2. wrong; incorrect
  3. non-; un-; in-; de-
  4. to reproach; to blame
  5. (coll.) to insist on; simply must