白baak6費fai3

English

1. to waste (one's energy etc)
2. to waste, usually used when time and effort spent on a certain task turned out to be pointless.

粵語 — Cantonese

1. 浪費（時間、精力、心機），令到啲嘢白做

Examples

• 佢倒瀉晒阿婆整畀佢嗰啲午餐，白費阿婆一番心機。

  He spilled his lunch prepared by his grandmother. The time and effort she's put in is now wasted.

• 你白費力氣了。

  You're barking up the wrong tree.

  Tatoeba · Martha CC BY

• 他們的努力都白費了。

  All their efforts were in vain.

  Tatoeba · Martha CC BY

• 毫無希望，白費心思。

  Here goes nothing.

  Tatoeba · Martha CC BY

• 我们所有的努力都白费了。

  All our efforts were in vain.

  Tatoeba · fucongcong CC BY

• 我想解決這個問題，可是白費功夫。

  I tried in vain to deal with the problem.

  Tatoeba · GlossaMatik CC BY