one does not do what one has learned
Chinese idiom, Pinyin is Xu é f ē ISU ǒ y ò ng, which means that what you have learned is not something you will use in the future. It means that learning is divorced from practice. It comes from the biography of Zhang Heng in the book of the later Han Dynasty by Fan Ye of the Southern Dynasty.
The origin of Idioms
Fan Ye's biography of Zhang Heng in the book of the later Han Dynasty in the Southern Dynasty said, "it's not necessary to use what you've learned. You can't use what you've learned. You can't use what you've learned
Analysis of Idioms
Antonym: learning to apply, learning to use, learning to think
Idiom usage
It is often used as predicate and attribute.
Examples
There is also a kind of professional technologist who, after returning to China, has no use of his strong points and is unable to use them. Chapter 33 of my life by Feng Yuxiang
one does not do what one has learned
profound and difficult to understand - shēn ào mò cè
move in and out with lightning speed and wizard elusiveness - guǐ chū diàn rù
Fear the dragon before, fear the tiger after - qián pà lóng,hòu pà hǔ