睡过头

I shall probably oversleep as I am not used to getting up so early.

我很可能会睡过,因为我不习惯这么早起。

I’ve got a new alarm clock so there’s no fear of me oversleeping again.

我有一个新闹钟，这样我就不再担心会睡过。

The inference I’ve drawn from his lateness is he overslept.

他来我得论是他睡过。

He is afraid of waking up late, so he always has an alarm on his bedside table.

他怕睡过，总是在床小几上放一个闹钟。