对这种人，用不着客气。

There's no need to be polite with this kind of person.

Source: Tatoeba

Sentence Composition

1 对 duì
  1. right; correct
  2. towards; at; for
  3. concerning; regarding
  4. to treat (sb a certain way)
  5. to face
  6. (bound form) opposite; facing; matching
  7. to match together; to adjust
  8. to fit; to suit
  9. to answer; to reply
  10. to add; to pour in (a fluid)
  11. to check; to compare
  12. classifier: couple; pair
2 这种 zhèzhǒng this kind of
3 人 rén person; people

classifiers: 個, 位
=4 用不着 yòngbuzháo
  1. not need
  2. have no use for
=4 用不着 yòngbùzháo
  1. not need; have no use for
  2. there is no need to; it is not worthwhile to
5 客气 kèqi
  1. polite
  2. courteous
  3. formal
  4. modest