Numerous households; a multitude of families; many houses or dwellings, often used to describe an extensive array of buildings or a densely populated area.
春节期间，大街小巷张灯结彩，万户千门都洋溢着喜庆气氛。
During the Spring Festival, the streets and alleys were adorned with lanterns and festive decorations, and countless homes were filled with a joyful atmosphere.
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