2 sentences

1. 警方通告全体市民要注意安全防范。

   jǐng​fāng tōng​gào quán​tǐ shì​mín yào zhù​yì ān​quán fáng​fàn.

   The police notified all citizens to take safety precautions.

   Source: Dong Chinese Dictionary

2. 墙上贴着一张关于停电的紧急通告。

   qiáng shàng tiē zhe yī zhāng guān​yú tíng​diàn de jǐn​jí tōng​gào.

   There is an emergency notice about the power outage posted on the wall.

   Source: Dong Chinese Dictionary