2 sentences

1. 在那个时期，社会上盛行政治挂帅。

   zài nà​gè shí​qī, shè​huì shàng shèng​xíng zhèng​zhì guà​shuài.

   During that period, putting politics in command was prevalent in society.

   Source: Dong Chinese Dictionary

2. 这个重大科研项目由张教授亲自挂帅。

   zhè gè zhòng​dà kē​yán xiàng​mù yóu Zhāng jiào​shòu qīn​zì guà​shuài.

   Professor Zhang is personally leading this major research project.

   Source: Dong Chinese Dictionary