军训潇洒用英语可以翻译为"swaggering through miptary training"或者"showing off during miptary training"。"Swagger"这个词的来源是来自于英文动词"to swagger"，意思是"摇摆、放肆"，所以"swaggering"这个词就指的是"潇洒的、放肆的"的意思。例句如下：
He was swaggering through miptary training, showing off to his friends.
他在军训中摇摆走路，向他的朋友炫耀。
She showed off her skills during miptary training, swaggering through the drills with ease.
她在军训中炫耀自己的技能，潇洒地完成各项训练。