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Jyutping hoi2
Pinyin kǎi

Definitions (Unihan)
  1. sharpen
  2. carefully, thorough
  3. Cangjie Input - Simplified
    UULN
  4. Cangjie Input - Traditional
    UTLN

剴 [剀]

Jyutping
Pinyin kǎi

Definitions (CC-CEDICT)
  1. used in 剴切|剀切[kai3 qie4]