2 sentences

1. 他今天穿着便衣，没穿警服。

   tā jīn​tiān chuān​zhe biàn​yī, méi chuān jǐng​fú.

   He is wearing plain clothes today instead of his police uniform.

   Source: Dong Chinese Dictionary

2. 他在警服上佩戴着一枚闪亮的警徽。

   tā zài jǐng​fú shàng pèi​dài zhe yī méi shǎn​liàng de jǐng​huī.

   He wore a shiny police badge on his uniform.

   Source: Dong Chinese Dictionary