defacement

The defacement or destruction of public or private property .

破坏或粉碎公公财富的行动。

And wouldn 't completing the paintings be an act of defacement ?

而完成作品这一行为就不会是毁坏、涂鸦的行为吗？

The paper analyzes the current situation and reasons of the defacement of circulating books in university libraries , points out the hazards and proposes some countermeasures against the problem .

文章分析了高校图书馆流通图书污损的现状及原因，指出了这种情况的危害，并进而提出了解决图书污损问题的方法与对策。

A resident shall report forthwith to the centre manager any loss or defacement of or damage to the centre pass issued to the resident .

某居民的中心通行，如有失污或，居民立即向中心理告。

One non-e-mail context in which hashcash appears to be a good solution is in the rather spam-like defacement that Wikis sometimes suffer .

Wiki有时会遭遇到与垃圾邮件十分类似的破坏，bashcash在非电子邮件上下文中似乎是一个不错的解决方案。

A resident shall report forthwith to the senior public officer on duty in the reception unit at the centre any loss or defacement of or damage to a temporary leave pass issued to the resident .

发给某居民的暂离证，如有遗失涂污或损坏，该居民须立即向中心接待处的当值高级公职人员报告。