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Jyutping loeng4 fu2
Pinyin liáng kǔ

Definitions (Wiktionary)
  1. adj, literary
    laborious; hard; miserable; exhausting
    (syn.) 辛勞, 艱巨, 困難, 艱難, 艰巨, 疑難, 辛苦, 辛劳, 勤, 疑难, 苦難, 不容易, 困难, 难, 艱苦, 艰苦, 艰难, 難, 苦难
  2. adj, literary
    deep
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    人生良苦。
    人生良苦。
    rén shēng liáng kǔ 。
    • Life is very hard.
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.