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Jyutping hot3 mak6 seoi2
Pinyin hē mò shuǐ

Definitions (Wiktionary)
  1. verb, figuratively
    to attend school; to have knowledge
    • 喝洋墨水
      喝洋墨水
      hē yáng mò shuǐ
      to study overseas
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)