lose a pawn to save a castle
It is a Chinese idiom, Pinyin is di ū Z ú B ǎ OJ ū, originally a chess term. When playing chess, in order to keep the car and lose the pawn, metaphor to keep the main and abandon the secondary. From Ode to the dragon river.
The origin of Idioms
The first scene of the Peking Opera Ode to the Dragon River: "in order to block the river and save the drought, we will lose some money. According to our game of chess, it's called 'lose one's life and protect one's car.'"
Idiom usage
Used as a predicate or object; used to make a choice.
lose a pawn to save a castle
welcome the new and send off the old - yíng xīn sòng jiù
There are many people in the world - yǐng rén zhuó è