飛快 Save Sign in to save words Simplified: 飞快 fēikuài ㄈㄟ ㄎㄨㄞˋ very fast at lightning speed razor-sharp coll. Character by character 飛(fēi)fly 快(kuài)rapid A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0