Zhòng / dà / zāi / nàn / fā / shēng / hòu / xǔ / duō / jī / gòu / dōu / huì / jiàng / bàn / qí / zhì / āi

重大灾难发生后，许多机构都会降半旗致哀。

After a major disaster, many institutions fly their flags at half-mast as a sign of mourning.