不遗余力 — Chinese idiom
不遗余力
bù yí yú lì
Traditional: 不遺餘力
Meaning
- to spare no pains or effort ; to do one's utmost
Character by character
- 不bùno, not, un-; negative prefix
- 遗yíto lose; a lost article
- 余yúsurplus, remainder; surname
- 力lìstrength, power; capability, influence
Idioms sharing a character
- 一丁不识 yī dīng bù shí
- 一尘不染 yī chén bù rǎn
- 一字不差 yī zì bù chà
- 一字不提 yī zì bù tí
- 一成不变 yī chéng bù biàn
- 一文不值 yī wén bù zhí
- 一毛不拔 yī máo bù bá
- 一病不起 yī bìng bù qǐ
- 一窍不通 yī qiào bù tōng
- 一笔不苟 yī bǐ bù gǒu
Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.