idly

例句：

1. 1. She idled away the afternoon reading a book.
   她悠闲地度过了一个下午，读着一本书。
2. 2. The old man sat idly by the window, watching the world go by.
   老人悠闲地坐在窗边，看着世界匆匆流逝。
3. 3. He idled away his time playing computer games.
   他漫不经心地打发时间玩电脑游戏。