Day and night
Chinese idiom, Pinyin is zh ā och é NGX ī Hu ǐ, which means to describe the speed of renovation. It's from Imperial science policy.
The origin of Idioms
Su Shi, Song Dynasty, wrote the imperial policy of trial production. "The cost of the imperial palace is no less than that of the enemy country. The work of the imperial palace is made day by day and is destroyed day by day, so as to make it new."
Idiom usage
As an object or attributive, it means to change quickly.
Chinese PinYin : zhāo chéng xī huǐ
Day and night
go into boiling water and walk through fire and water. lǚ tāng dǎo huǒ
The grass and the trees know the power. cǎo mù zhī wēi
run away at the rumor of the approach of. wàng fēng ér táo
act according to circumstances. jiàn jī xíng shì