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Jyutping hoi1 ng6
Pinyin kāi wù

Definitions (Wiktionary)
  1. verb, literary
    to comprehend; to grasp (something not easily understood); to realize
    (syn.) 达, 打生, 領略, 貫通, 通達, 知識, 占有, 会悟, 了悟, 谙达, 會悟, 熟识, 諳達, 领会, 了解, 把握, 理会, 通达, 知曉, 瞭然, 曉得, 清亮, 醒悟, 认识, 知识, 知影, 觉悟, 觉醒, 諳曉, 參悟, 知悉, 熟似, 熟識, 了然, 领悟, 掌握, 領會, 認識, 熟悉, 知道, 明了, 明, 懂, 分曉, 明白, 理解, 熟稔, 瞭悟, 悟, 贯通, 分晓, 洞悉, 晓得, 通解, 知晓, 领略, 谙晓, 懂得, 参悟, 通晓, 清楚, 理會, 通曉, 覺悟, 覺醒, 明瞭, 佔有, 達, 領悟
  2. verb, literary
    to inspire; to enlighten
  3. noun
    enlightenment

開悟 [开-]

Jyutping
Pinyin kāi wù

Definitions (CC-CEDICT)
  1. to become enlightened (Buddhism)