[----]

Jyutping jung6 sam1 loeng4 fu2
Pinyin yòng xīn liáng kǔ

Definitions (CC-CEDICT)
  1. to ponder earnestly
  2. to give a lot of thought to sth
Definitions (粵典–words.hk)
  1. 語句
    為​人費​煞​心機​做事​,​而​呢​件​事​睇​落​去​或者​短期​上​係​壞​事​但​實質​上​或者​長​遠​上​係​好事
    to do sth out of affection in a roundabout way for one's good
    • 佢阿媽打完仔之後自己匿埋響廚房喊,真係用心良苦哋教好佢。
      佢阿妈打完仔之后自己匿埋响厨房喊,真系用心良苦哋教好佢。
      His mother quietly cried to herself in kitchen after spanking her child. She has done all she could to help her child realize and rectify mistakes.
Examples (粵典–words.hk)
  1. Cantonese
    佢阿妈打完仔之后自己匿埋响厨房喊,真系用心良苦哋教好佢。
    佢阿媽打完仔之後自己匿埋響廚房喊,真係用心良苦哋教好佢。
    • His mother quietly cried to herself in kitchen after spanking her child. She has done all she could to help her child realize and rectify mistakes.