in perfect silence
It's a Chinese idiom, y ā Qu è w ú w é n, which means there is no sound of crows and sparrows. It's very quiet. It comes from three quatrains written by Su Shi of Song Dynasty.
Idiom explanation
Not even crows and sparrows. It's very quiet.
The origin of Idioms
Su Shi of Song Dynasty wrote three quatrains: "when the wind blows and the rain comes into the appendix, the black magpie is silent and the night comes to the appendix."
in perfect silence
a man should get married on coming of age - nán dà dāng qǔ
Three under five divided by two - sān xià wǔ chú èr
make a fetish of somebody or something - fèng rú shén míng
travel along a long and difficult road - tī shān háng hǎi
the last basket of earth that helps in building mound - yī kuì zhī gōng
a mantis trying to stop a chariot - táng bì dāng zhé