Look at the time, Tom.看看时间，汤姆。You are two hours late.你迟到了两个小时。I’m sorry.对不起。You have been late four days this week.你这周已经迟到四天了。What’s the excuse today?今天的理由是什么？I woke up late.我起晚了。That is not a good excuse.这不是个好借口。Don’t you have an alarm clock?你难道没有闹钟吗？Yes, I do.我有。Did you forget to turn it on?你忘了把它打开吗？Oh, no. I set it for 6:00 and I turned it on before I went to sleep.不是。我把它设在6点闹，而且在睡觉前把它打开了。Then why did you get up late?那你为什么还起晚了？The alarm went off while I was asleep.闹钟在我还在睡觉的时候就响了。I didn’t hear it.我根本没听到它的声音。