display of fireworks and a sea of lanterns
Huoshuqihua, a Chinese idiom, Pinyin is Hu ǒ sh ù Q í Hu ā, which means to refer to brilliant lights or fireworks. From a dream of Red Mansions.
The origin of Idioms
The 17th chapter of a dream of Red Mansions by Cao Xueqin in the Qing Dynasty: "when I entered the palace, I saw the courtyard burning in the air, the incense scraps spreading in the ground, the fire trees and the flowers, the golden windows and the jade sills."
Idiom usage
It is used as subject, object and attributive to describe the lights on festival night.
display of fireworks and a sea of lanterns
cut down annual expenditures in order to enrich the people - jié yòng yù mín
receive rewards for one's virtuous deeds - shàn yǒu shàn bào