Two guards with sidearms patrolled the wall.

两名配枪警卫在城墙上巡逻。

《柯林斯英汉双解大词典》

Cuban security officials wearing sidearms appeared as the CNN video crew was filming and ordered them to stop.

CNN: locates family who fled Florida to Cuba

Canada requires American agents to deposit their sidearms at specified border crossings even if they are in hot pursuit of criminals.

ECONOMIST: Canada and the United States