Make the deaf dumb
Make up the deaf to be dumb, Chinese idiom, Pinyin is Zhu ā NGL ó ngzu ò y ǎ, meaning deaf and dumb, deliberately ignore. From the romance of the Western chamber.
The origin of Idioms
The third fold of the third volume of the romance of the Western chamber by Wang Shifu of the Yuan Dynasty: "but he was forbidden to live in the Sui Dynasty as early as possible. He broke into Lu Jia, crossed his hands and bowed his body to make himself dumb."
Idiom usage
It's a verb, an object, an adverbial; it's a deliberate ignorance
Examples
Li Rihua of the Ming Dynasty wrote in the south west chamber, riding at night over the wall: "look at that salivary face, who is not ashamed, and who is dumb with his hands crossed." See "pretend to be deaf.".
Make the deaf dumb
One man is good at shooting, but a hundred men are good at shooting - yī rén shàn shè,bǎi fū jué shí
sharpen one 's weapon to be ready for a fight - mó lì yǐ xū
feel like a willow withering at the approach of autumn - pú liǔ zhī zī