Day and night
As a Chinese idiom, the Pinyin is zh ò UJ ǐ NGX ī t ì, which means to be alert day and night. It comes from Shen Kuo of Song Dynasty.
Idiom usage
As a predicate, attribute, adverbial; used in dealing with affairs
The origin of Idioms
Shen Kuo of the Song Dynasty wrote: "dare not do your best, seek the truth of the sacred responsibility; be alert in the day and be alert in the evening, and think about the kindness of heaven and earth."
Idiom explanation
Be vigilant day and night.
Day and night
To distinguish between doubts and doubts - zhì yí biàn huò
read without thorough understanding - bù qiú shèn jiě
the public attitude for or against - rén xīn xiàng bèi
a mountain of swords and a forest of sabres - dāo shān jiàn shù