徹夜不眠 Save Sign in to save words Simplified: 彻夜不眠 chèyèbùmián ㄔㄜˋ ㄧㄝˋ ㄅㄨˋ ㄇㄧㄢˊ to be sleepless all night Character by character 徹(chè)thorough 夜(yè)night 不(bù)no 眠(mián)sleep A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0