焕发 huànfā to shine
to shine; to glow; to irradiate; to flash
How to remember 焕发: 焕 shining + 发 send out = to shine.
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How it is used
- To radiate / glow with vigor - 精神焕发 (jīngshén huànfā) beaming with energy, 焕发青春 (huànfā qīngchūn) to bloom with youthful vitality.
- Abstract and positive: what glows is spirit, vitality, or fresh appeal, not literal light.
- Written, often set-phrase register; frequently in the fixed 精神焕发.