Light migration
It's a Chinese idiom. Pinyin is Q ī NGX ǐ Ni ǎ OJ ǔ, which means it's lighter than going or staying. It's as easy as bird flying. From book Li Lin sun Shi.
explain
It's lighter than going to stay. It's as easy as a bird flying.
source
In the book of Li Lin sun Shi written by Mei Zengliang in the Qing Dynasty, it is said that "there are four roads in Henan Province, and it is impossible to move birds lightly."
An example is Mei Zengliang's Shu Li Lin sun Shi in the Qing Dynasty: "Henan road is connected with four roads. It is impossible to move birds lightly."
usage
As an object or attributive; used of human movement
Light migration
tears trickling down one 's cheeks - shān rán lèi xià
never relax your vigilance while you live in peace - ān bù wàng wēi
a snipe and a clam locked in a fight - yù bàng xiāng dòu