背着吉他用英语怎么说

背着吉他用英语可以表示为 "carrying a guitar on one's back" 或 "wearing a guitar on one's back." 这个表达方式可能来源于许多人经常背着吉他在旅行或演出时的情景。
下面是一些英文例句及其中文翻译：
He was spotted walking down the street carrying a guitar on his back. 他被发现在街上背着吉他走着。
She always wears a guitar on her back when she goes on tour. 她在巡演时总是背着吉他。
I saw a guy wearing a guitar on his back at the music festival. 我在音乐节上看到一个背着吉他的男人。
He can play the guitar while wearing it on his back. 他能在背着吉他的情况下弹吉他。