And the act of deliberate defacement, destruction, or damage to public or private  property is known as vandalism.

故意污损、破坏或损坏公共或私人财产的行为被称为故意破坏行为。

She frowned at this tiny defacement, and with an air of annoyance scraped it away, using the ferrule of her cane an act of fastidious proprietorship.

她对这个微小的污损皱起了眉头， 带着一种恼怒的神情把它刮掉了， 用她手杖的套圈把它刮掉了， 这是一种挑剔的所有权行为。

Frequent defacement of and damage to cultural relics across the world has also made Yu feel an urgent need to speed up the digitalization of the Palace Museum.

世界范围内频繁发生的文物污损毁坏事件，也让俞敏洪深感加快故宫数字化进程的迫切性。