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Jyutping gun2 jung6
Pinyin guǎn yòng

Definitions (CC-CEDICT)
  1. efficacious
  2. useful
Definitions (粵典–words.hk)
  1. 形容詞、書面語
    有用​;​有​成效
    useful; effective
    • 呢隻藥好有用,一食就止咗胃痛。
      呢只药好有用,一食就止咗胃痛。
      這藥很管用,一吃就止了胃痛。
Definitions (Wiktionary)
  1. adj
    effective; useful; efficacious
    (syn.) 顶用, 頂用, 頂事, 顶事, 中用, 濟事, 济事
    • 我吃了藥,但不管用。
      我吃了药,但不管用。
      wǒ chī le yào , dàn bù guǎn yòng .
      I took the medicine but it had no effect.
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #1469
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    那药不会管用。
    那藥不會管用。
    nà yào bù huì guǎn yòng 。
    • That medicine isn't going to help.
Examples (Wiktionary)
  1. Mandarin
    我吃了药,但不管用。
    我吃了藥,但不管用。
    wǒ chī le yào , dàn bù guǎn yòng .
    • I took the medicine but it had no effect.