非异人任

非異人任
fēiyìrénrèn
to bear one's own responsibilities and not pass them to others (idiom)

CEDICT

to avoid assigning one's duty to others

Wiktionary

春秋时郑成公卧病，郑国大夫子驷请求与晋国和好，郑成公因楚王曾因他的缘故，眼睛受了箭伤，而不愿背弃楚国而与晋国交好。典出《左传．襄公二年》。后以非异人任称某事件应由自己负责。

重編國語辭典

Entry Composition

1 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
2 异人 yìrén
  1. eccentric
  2. unusual person
  3. talented individual
3 任 rèn
  1. to assign
  2. to appoint
  3. to take up a post
  4. office
  5. responsibility
  6. to let
  7. to allow
  8. to give free rein to
  9. no matter (how, what etc)
  10. classifier for terms served in office, or for spouses, girlfriends etc (as in 前任男友)