each party trying to outwit or cheat the other through deceit and treachery

an unexpected event or situation, typically an unfortunate one

Yu Shun, one of the five legendary emperors ([[五帝|五帝|wu3 di4]])

Yu Shinan (558-638), politician of Sui and early Tang periods, poet and calligrapher, one of Four Great Calligraphers of early Tang

Yucheng, a county in Shangqiu City, Henan

causing concern or being in a precarious or risky state

having ample supplies, resources, or money

Chinese astronomer (c. 270-345), known for discovering the earth's precession

not needing to be worried about; free from danger or concern

The name of an archaic ceremonial tune or a poem in the Classic of Poetry.

safe and secure; free from worry

Yu Yinglong, Yuan dynasty scholar who collaborated on the geographical encyclopedia Dayuan Dayi Tongzhi ([[大元大一统志|大元大一統誌|Da4 Yuan2 Da4 yi1 tong3 zhi4]])

not having to worry about food and clothes; provided with the basic necessities