2 sentences

1. 有一部分房顶垮塌了。

   yǒu yī​bù​fen fáng​dǐng kuǎ​tā le.

   Part of the roof collapsed.

   Source: OpenSubtitles

2. 桥梁会垮塌吗？

   qiáo​liáng huì kuǎ​tā ma?

   Will the bridge collapse?

   Source: CCMatrix