無補

无补
wúbǔ
  1. of no avail
  2. not helping in the least

CEDICT

of no help; of no avail

Wiktionary

無所助益。如：「無補於事」。也作「無裨」。

重編國語辭典

Entry Composition

1 無 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
2 補 bǔ
  1. to repair
  2. to patch
  3. to mend
  4. to make up for
  5. to fill (a vacancy)
  6. to supplement

Containing this entry

於事無補 yúshìwúbǔ
  1. unhelpful
  2. useless
無補於事 wúbǔyúshì