Dictionary › 不遗余力

不遗余力

bù yí yú lì

4-character word Traditional 不遺餘力

What 不遗余力 means

1. to spare no pains or effort (idiom); to do one's utmost

The characters in 不遗余力

• 不bùno; not so; (bound form) not; un-
• 遗yí(bound form) to leave behind
• 余yú(literary) I; me; variant of 余
• 力lìpower; force; strength

Example sentences

• 他不遗余力帮助我。
  Tā bùyíyúlì bāngzhù wǒ.
  He spared no pains to help me.