self-examine
Looking back at the Chinese idiom, the Pinyin is f à NGU à NN è izh à o, which was originally Buddhist. It refers to the Buddha nature control examination. It also refers to self reflection. From "Mencius Zi Yi Shu Zheng · Li 15".
The origin of Idioms
Dai Zhen of the Qing Dynasty wrote in the book of Mencius Zi Yi Shu Zheng Li 15: "there is no way to understand it here, but to see the other's giving up material desires and looking back at it is close to self-examination."
Idiom usage
We try to find out whether we can avoid the prince's misgivings in the evening? On private morality by Liang Qichao
self-examine
the nearest to the flames is the first burned - jìn huǒ xiān jiāo
turn sb . 's trick to one 's own use - jiāng jī jiù jì
would as lief die as live in dishonour - níng sǐ bù rǔ