circumstances alter cases
In Chinese, Pinyin is y ī NSH ì zh ì y í, which means making appropriate measures according to different things. It comes from the biography of Wei Xian in the history of Han Dynasty.
The origin of Idioms
Ban Gu's biography of Wei Xian in Hanshu of the Eastern Han Dynasty: "the emperor of the Ming dynasty ruled the world, and the time was the law, so he adjusted measures according to the situation."
Idiom usage
It means to treat different things differently.
Examples
The law can not be fulfilled if the husband adapts to the circumstances, and the duty of obeying the law lies in keeping the order. Song Suzhe's Xiye gaoci
circumstances alter cases
be utterly devoid of conscience - sàng jìn tiān liáng
plant trees for the benefit of posterity - qián rén zāi shù,hòu rén chéng liáng
the army is completely wiped out - piàn jiǎ bù cún