“破四旧”：破除旧思想、旧文化、旧风俗、旧习惯。

Attack on the Four Olds: old thoughts, old culture, old habits, old customs.

主要建筑材料是旧砖、旧瓦片和老门板。

Building materials are mainly old brick, old tile and old door sheet.

旧汽车市场已经饱和。

The market for the used car is saturated.

旧人旧梦旧情绪。

Old people dream on emotions.

旧挂锁已经锈红了。

The old padlock was red with rust.