Liver and kidney
He Gan Shen, a Chinese idiom and Pinyin, is a metaphor for exhausting one's mind; it is often described as the hardship of one's career, work and literary creation; it is the same as "He Xin GUI Mu". From Xu Yongzhou's tomb inscription.
The origin of Idioms
Song Lian's tomb inscription of Xu Yongzhou in Ming Dynasty: "the world's name is minzhou poetry school, and the ark takes evil and satirizes and chants it. It's hard to understand the liver and kidney, and it's time to surpass it."
Idiom usage
As predicate, attribute, adverbial; often used in figurative sentences.
Liver and kidney
convenient transportation benefits industry and commerce - tōng shāng huì gōng