Go back and forth
Chinese idiom, Pinyin is sh ē nhu í D ǒ uzhu ǎ n, which means deep night. It comes from Zhang Xiaoxiang's "looking south of the Yangtze River" in Song Dynasty.
Idiom usage
As an object or attributive
Analysis of Idioms
In the middle of the night
The origin of Idioms
"The sky is near, the moon is bright, the ecliptic is cold, and the sky is blue."
Idiom explanation
deep in the night. Shen, Shenxing; Dou, Beidou.
Go back and forth
flunk the civil service examination - pù sāi lóng mén
rubbing the shoulder and following the steps - jiān mó zhǒng jiē
know one 's subordinates well enough to assign them jobs commensurate with their abilities - zhī rén shàn rèn