worn to a shadow 疲惫不堪
【讲解】
worn指“磨损,损耗”,该习语从字面上理解就是“磨得只剩下影子了”,即“疲劳之甚”。
【对话】
A:You look so tired.
A:你看起来很疲倦。
B:I was studying all the night preparing for today's final exam. So I am worn to a shadow now.
B:昨天一夜没睡,准备今天的期末考试,所以现在打不起精神。
A:I don't think studying all the night will do you much good.
A:我觉得通宵学飞对你没什么好处。
B:Maybe you're right. But it's too late now.
B:也许你是对的,但是现在说太晚了。