夙夜 [
sù yè]
morning and night
day and night
- 咨尔多士,为民前锋;夙夜匪懈,主义是从。
Consults your toast, for people vanguard; The toiling unflaggingly day and night, the principle is from. - 高松年发奋办公,夙夜匪懈,精明得真是睡觉还睁着眼睛,戴着眼镜,做梦都不含糊的。
Kao Sung-nian worked furiously day and night without rest. He was so keen he literally slept with his eyes wide open and his glasses on, so that he was never hazy even in his dreams.