4 sentences

1. 警务总监向媒体通报了案件进展。

   jǐng​wù zǒng​jiān xiàng méi​tǐ tōng​bào le àn​jiàn jìn​zhǎn.

   The Commissioner of Police briefed the media on the progress of the case.

   Source: Dong Chinese Dictionary

2. 政府向媒体通报了最新的安全进展。

   zhèng​fǔ xiàng méi​tǐ tōng​bào le zuì xīn de ān​quán jìn​zhǎn.

   The government briefed the media on the latest security developments.

   Source: Dong Chinese Dictionary

3. 卫兵通报后，将军才准许他入帐参见。

   wèi​bīng tōng​bào hòu, jiāng​jūn cái zhǔn​xǔ tā rù zhàng cān​jiàn.

   Only after the guard announced him did the general permit him to enter the tent for an audience.

   Source: Dong Chinese Dictionary

4. 许多社交媒体账号转载了这篇官方通报。

   xǔ​duō shè​jiāo méi​tǐ zhàng​hào zhuǎn​zǎi le zhè piān guān​fāng tōng​bào.

   Many social media accounts reposted the official announcement.

   Source: Dong Chinese Dictionary