Check in（旅馆）登记；办理登机手续
They checked in at that hotel.
他们在那家旅馆登记入住了。
He had checked in at HongQiao airport for a flight to New York.
他在虹桥机场办理了飞往纽约的登机手续。
A:Good evening,sir,can I help you?
晚上好先生，我能为您效劳吗？
B:Yes,I'd like to check in,please.
是的，我要办理入住登记。
A:Do you have a reservation?
您预定房间了吗？
B:Yes,my name is Jack.I have a reservation for three nights.
是的，我叫杰克，我预定了三个晚上的房间。
背景音乐：Insomnia
