夙ㄙㄨˋsù興ㄒㄧㄥxīng夜ㄧㄝˋyè寐ㄇㄟˋmèi

早起晚睡。比喻勤勞。《詩經·小雅·小宛》：「夙興夜寐，毋忝爾所生。」《聊齋志異·卷二·紅玉》：「今家道新創，非 夙興夜寐不可。」似早起晏睡

英to rise early and sleep late (idiom); to work hard, to study diligently, to burn the candle at both ends