He is already used to taking orders
他已经习惯于服从命令

Sign posted in the Army recruiting office: “Marry a veteran, girls. He can cook, make beds, sew and is already used to taking orders.”

在陆军征兵办公室里贴着一张告示：“姑娘们，嫁给老兵吧！他会做饭、铺床、缝纫，而且已经习惯于服从命令。”