To be deaf
Chinese idiom, Pinyin is Xi à s à sh à NGL ó ng, which means that the lower part is blocked and the upper part is deaf; it means that the real situation cannot be uploaded. From the song of Zichan not destroying the rural school.
Notes on Idioms
Plug: it's blocked. Deafness: hearing loss of the ear.
The origin of Idioms
Han Yu's Ode to Zichan not destroying the rural school in Tang Dynasty: "Sichuan cannot be prevented, words cannot be eliminated. It's hard to be deaf from the bottom of the Great Wall
To be deaf
sth. one knows well and can manage with ease - qīng chē shú lù
this proclamation is hereby issued in all sincerity and earnestness - qiè qiè cǐ bù