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Jyutping ci3 pong4 ngaang6
Pinyin chì bǎng yìng

Definitions (Wiktionary)
  1. phrase, figuratively
    to grow up, become independent, and no longer listen to one's elders

翅膀硬 [---]

Jyutping
Pinyin chì bǎng yìng

Definitions (CC-CEDICT)
  1. (of a bird) to fledge
  2. (fig.) (of a person) to outgrow the need to be submissive to one's parents, mentor etc
  3. to break away from the people who have supported one up to now