Definition
- B1
to identify yourself upon arrival at a hotel to receive your room key
在旅馆等地办理入住手续；登记报到
As soon as we arrived at the hotel, we went to check in.
我们一到达酒店就去办理入住手续了。
She checked in online beforehand, so she could pick up her room key directly upon arrival.
她事先在网上办理了入住手续，所以到达后可以直接领取房卡。
If you arrive before 4 PM, you usually have to wait until check-in time to get your room.
如果你在下午四点前到达，通常必须等到入住时间才能拿到房间。