in a world of one's own
01
沉浸在自己的世界里, 心不在焉
mainly focusing on one's thoughts and not paying much attention to what is happening around one
习语
非正式
例子
Lost in her music, she sat in a corner, completely in a world of her own.
她坐在窗边,沉浸在自己的世界里,没听见老师叫她的名字。



























