没日没夜 Save Sign in to save words Traditional (Taiwan): 沒日沒夜 méirìméiyè ㄇㄟˊ ㄖˋ ㄇㄟˊ ㄧㄝˋ day and night regardless of the time of day or night Character by character 没(méi)not 日(rì)sun 没(méi)not 夜(yè)night A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0