- 于事无补 yúshìwúbǔ to no availit doesn't help the situation; useless or unhelpful to the matter at hand
- 无补于事 wúbǔyúshì to no availTo be of no help to the matter at hand; to be useless for solving a problem.
- 空言无补 kōngyánwúbǔ empty talk helps nothingEmpty talk is of no avail; impractical words do not help with the actual situation.