But every morning she often oversleeps.

但是每天早晨她总睡过头。

He oversleeps because of having a slight cold.

他因为轻微感冒而睡过了头。

She always oversleeps the time she generally gets up on Saturdays.

每逢星期六，她总是要睡过平时的起床时间。

Ok, I'll tell him that it doesn't matter if he oversleeps or if he can't finish his work.

好的，我会告诉他的，假如他睡过头或是不能完成工作都没关系。