白撈 [－捞]

Jyutping baak6 lou1
Pinyin bái lāo

Definitions (CC-CANTO)
  1. to have worked pointlessly for nothing or for little reward; for all of one's work and effort to go to waste [colloquial]
Definitions (粵典–words.hk)
  1. 動詞
    無回報​做​一件​事
    to work without reward
  2. 近義詞
    白做