sharpen one's knife
Sharpening the sword is a Chinese idiom. Pinyin is m ó D ā Ohu ò Hu ò, which means sharpening the sword makes a loud sound. Now it mostly describes the frequent activities of the enemy before the action. From Yuefu Poetry Collection Mulan poetry.
Idiom explanation
Huo Huo: the sound of sharpening a knife.
The origin of Idioms
"Yuefu Poetry · Mulan poetry" says: "when I heard that my sister was coming, I sharpened my sword to the pigs and sheep."
Idiom usage
Subject predicate; predicate, object, adverbial; derogatory. example it is known that night is dangerous! The total meal of the miner, ~ is intended to be public. Zhu Guozhen, Ming Dynasty
sharpen one's knife
unable to profit from what one has read - tú dú fù shū
Burn the gold and destroy the bone - shuò jīn huǐ gǔ
a subjective person who expresses different opinions - rù zhǔ chū nú
have food spread out ten feet square -- live in luxury - shí wèi fāng zhàng