无用功 () — useless work; wasted effort

Definición

A fixed phrase meaning work or effort that produces no result. Unlike 白费 (wasted, in vain) which describes a single act, 无用功 emphasizes effort that is futile from the start.

noun
useless workwasted effort

Ejemplos

  • 无用功
    Tā zuò le hěn duō mó, zuì hòu hái shì shī bài le.
    He did a lot of useless work, and in the end he still failed.
  • 无用功
    Bié zài zhè yàng de xiǎo shì shàng làng fèi mó le.
    Don't waste your effort on such trivial matters.
  • 无用功
    Zhè cì shí yàn wán quán shì mó, méi yǒu rèn hé xīn fā xiàn.
    This experiment was entirely wasted effort, with no new discoveries.

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