Discard the short and use the long
As a Chinese idiom, the Pinyin is Q ì Du ǎ NY ò ngch á ng, which means abandoning the short and using the long. It means abandoning the short and adopting the strong. It comes from Li Baojia's a brief history of civilization in Qing Dynasty.
The origin of Idioms
Chapter 51 of Li Baojia's a brief history of civilization in the Qing Dynasty: "therefore, Taiwan wants to send a person to a foreign country to investigate what new methods there are, and come back to teach these craftsmen and so on, so that they can discard their weaknesses and make good use of their strengths."
Idiom usage
As predicate, object, attribute; used to choose
Discard the short and use the long