在这所房子发现的武器被警察没收了。(依法没收，扣押，查封)。

The weapons found in the house were seized by the police.

youdao

公民的合法财产受法律保护，禁止任何组织或者个人侵占哄抢破坏或者非法查封扣押冻结没收。

A citizens lawful property shall be protected by law, and no organization or individual may appropriate, encroach upon, destroy or illegally seal up, distrain, freeze or confiscate it.

youdao

违犯规则查封、扣押、冻结、没收财物的。

Sealing up, detaining, freezing or confiscating money or goods as in violation of provisions.

youdao