sharpen one 's sword and oil one 's gun
Sharpen the sword and brush the gun, the Chinese idiom, Pinyin is m ó D ā OC ā Qi ā, which means to describe the preparation before the war.
Analysis of Idioms
Sleep at ease
Idiom usage
He is sharpening his sword and preparing to fight again.
sharpen one 's sword and oil one 's gun
an official according to his talents - yīn rèn shòu guān
Advocate elegance and dethrone the floating - chóng yǎ chù fú