夙夜匪懈 Save Sign in to save words sùyèfěixiè ㄙㄨˋ ㄧㄝˋ ㄈㄟˇ ㄒㄧㄝˋ to work from morning to night (idiom) Character by character 夙(sù)morning 夜(yè)night 匪(fěi)bandit 懈(xiè)lax A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0