You feel frazzled and guilty each time you miss an appointment or a deadline.

每次你错过约定时间，超过截止时间，你都会感到疲倦与内疚。

I'd like to talk about an experience when I missed an appointment with a doctor.

我想谈谈我错过医生预约的经历。

He calls my phone every week, never misses an appointment.

他每周都会给我打电话 从不缺席。

I thought one of my strengths was never missing an appointment.

我以为我的长处之一就是从不失约。

So, if you missed an appointment, you might say, " I'm so sorry, can I rebook? " .

所以，如果你错过了约会， 你可能会说， “很抱歉，我可以重新预约吗？ ” 。