bookworm
Two legged bookcase, a Chinese idiom, Pinyin is Li ǎ ngji ǎ OSH ū ch ú, which means people who read a lot but are not good at application. It comes from the biography of Lu Cheng in southern history.
The origin of Idioms
The biography of Lu Cheng in Southern History: "Cheng was known as a master at that time. After reading the book of changes for three years, he did not understand the meaning of the text, but failed to write the book of song. In Wang Jian's play, he said, "Duke Lu, the chef."
Idiom usage
As the saying goes, it's tiring to memorize me, and it's hard to stretch out the paper and write. (the second chapter of the original poem by Ye Xie in Qing Dynasty)
bookworm
fan out from as an example for the rest of the lot to follow - yǐ diǎn dài miàn
be near to worthies and keep away from mean fellows - qīn xián yuǎn nìng