想表示酒店房间，餐厅位置都被预定出去了，客满了；飞机，火车等交通工具的票都售完了可以用sth be booked up, be booked solid 或be fully booked.
例：
Every flight from Shanghai to Taipei has been booked solid.
所有从上海飞往台北航班的票都卖完了。
Well, that hotel is fully booked, so we have to look for a room somewhere else.
那家宾馆房间都被订满了，我们得到别处找房间了。
The travel agency booked all the good seats up.
这家旅行社把所有的好位置都订下了。
如果说sb is booked up，意思是这个人档期满了，没有时间了。
例：
You will never get an appointment; The doctor is booked solid through the next month.
你不会预约上的，医生下个月的档期都满了。
He is all booked up. He can't see us.
他时间都安排满了，不能见我们了。
