Deep study
Jishenyanji, a Chinese idiom, Pinyin is j í sh ē NY á NJ ī, which means to explore the profound and subtle aspects of things. It comes from the book of changes.
Idiom usage
If you study deeply and meticulously, you will make all the people with lofty ideals think hard and study a few things deeply, so as to be engaged in manufacturing. (Zheng Guanying, Qing Dynasty)
The origin of Idioms
In the book of changes, Xici Shang: "the reason why the sage studied the book of changes deeply is that he studied it deeply."
Deep study
take advantage of one 's or sb . else 's power to bully people - zhàng shì qī rén
remember the kindness until death - sǐ qiě bù xiǔ