Traditional: 瘋
疯 (fēng) means “insane; mad; wild”. It is an HSK 5 Chinese character (traditional 瘋) in the HSK 3.0 vocabulary.
他做事这么冲动,简直疯了。
Tā jiǎnzhí fēng le.
He's simply crazy.
Updated: 2026-07-18