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Jyutping mang2 seoi2
Pinyin wěn shuǐ

Definitions (Wiktionary)
  1. adj, Cantonese
    barely enough

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Jyutping man3 seoi2
Pinyin wěn shuǐ

Definitions (粵典–words.hk)
  1. 形容詞
    未必​夠​、​唔​太​穩陣​,​或者​係​啱​啱​好​足夠​;​表達​猶豫​,​唔​肯定​可以​好似​預​期中​咁​發生
    sligthly not enough, barely enough, scarcely pass, sth. precarious; to express uncertain, hesitating on sth. Literally, to the edge of water
    • 你想升班呀?有啲抆水喎。
      你想升班呀?有啲抆水㖞。
      nei5 soeng2 sing1 baan1 aa4? jau5 di1 man3 seoi2 wo3.
      You want to promote to the next class? It seems you are slightly under-qualified.
  2. 近義詞
Examples (粵典–words.hk)
  1. Cantonese
    你想升班呀?有啲抆水㖞。
    你想升班呀?有啲抆水喎。
    nei5 soeng2 sing1 baan1 aa4? jau5 di1 man3 seoi2 wo3.
    • You want to promote to the next class? It seems you are slightly under-qualified.