give up a pawn to save a chariot; sacrifice something minor to save something major
Contents
diū jū bǎo shuài
  Chess game tactics. Metaphor at the expense of the more important things to protect the most important
Translated by Google
English Expression
  1. :  give up a pawn to save a chariot,  sacrifice something minor to save something major
  2. n.:  give up a pawn to save a chariot; sacrifice something minor to save something major,  sacrifice the knights to save the king
Thesaurus
give up a pawn to save the chariot as one who sacrifices minor things to save major ones