2 sentences

1. 所有的门都被封死了。

   suǒ​yǒu de mén dōu bèi fēng​sǐ le.

   All the doors have been sealed shut.

   Source: OpenSubtitles

2. 前方的路因为施工封死了，所有的车辆都只能绕过这片区域。

   qián​fāng de lù yīn​wèi shī​gōng fēng​sǐ le, suǒ​yǒu de chē​liàng dōu zhǐ néng rào guò zhè piàn qū​yù.

   The road ahead is blocked off due to construction, so all vehicles must detour around this area.

   Source: Dong Chinese Dictionary