不相干

bùxiānggān
  1. to be irrelevant
  2. to have nothing to do with

CEDICT

to have nothing to do with; to matter little; to be irrelevant

Wiktionary

  1. 各自独立，不相妨碍或牵连。
  2. 泛指某事物不关紧要，不会造成严重影响。

重編國語辭典

Entry Composition

1 不 bù
  1. no; not so
  2. (bound form) not; un-
2 相干 xiānggān
  1. relevant
  2. to have to do with
  3. (physics) (of light etc) coherent

Related entries

挨不上 āibùshàng
  1. to be irrelevant
  2. to be superfluous
无干 wúgān to have nothing to do with