idle hours of devices

例句：

1. 1. The idle hours were filled with reading and writing.
   那些空闲的时间被阅读和写作填满了。
2. 2. The house was left to the idle hands of the caretaker.
   房子留给了看管者，任其荒废。
3. 3. The idle chatter of children can be quite entertaining.
   孩子们闲谈的声音有时很有趣。