1. I lost track of time. 我忘记时间了。

　　2. I misjudged the time. 我搞错了时间。

　　3. I overslept. 我睡过头了。

　　4. My alarm didn't go off this morning. 今天早上我的闹钟歇菜了。

　　5. The bus was late. 公交晚点了。

　　6. I was stuck in traffic. 我在路上堵车了。