Chinese idiom-张灯结彩（zhāng dēng jié cǎi）

中文解释：张灯结彩（zhāng dēng jié cǎi）指张挂灯笼，结上彩带，形容节日或喜庆时的繁华热闹景象。

英文解释：It can be translated as “be decorated with lanterns and colored streamers” or “hang up lanterns and put up decorations”, conveying a festive and lively atmosphere.

具体用法示例：

1. The streets were decorated with lanterns and streamers for the festival.
   （街道上张灯结彩，庆祝节日。）
2. People hung up lanterns and put up festive decorations to welcome the New Year.
   （人们张灯结彩，迎接新年。）