1. I’m sorry.迟到了。也可以说:I’m sorry for being late. 不好意思迟到了。
2. Something came up. 临时有点事儿。
1) I'm stuck in traffic. 我堵车了。
2) I have a flat tire.车胎爆了。
3) My train/flight is delayed.我的火车/飞机晚点了。
4) I overslept. 我睡过头了。
3. I'll be there in 20 minutes. 我20分钟后到。
4. Would it be possible to … ? 要不我们…?
1) Would it be possible to reschedule? 要不我们再约?
5. Thank you for waiting. 让你久等了。
1) I'm sorry for keeping you waiting.