check in

/ˈtʃek ɪn/
When you check in or check into a hotel or clinic, or if someone checks you in, you arrive and go through the necessary procedures before you stay there. 登记入住

verb [vt. 及物动词]办理入住手续:到旅馆、酒店、机场等地方进行登记手续,以便入住或乘机。

I want to check in at the hotel.
我想在酒店办理入住手续。

单词造句:
网友用“Check in”造句精选
I'll call the hotel. I'll tell them we'll check in tomorrow. 我会给旅馆打电话,通知他们明天我们将登记入住。
He has checked into an alcohol treatment centre. 他已登记住进了一所戒酒治疗中心。
He had checked in at Amsterdam's Schiphol airport for a flight to Atlanta. 他在阿姆斯特丹的斯希普霍尔机场已办理了飞往亚特兰大的航班的登机手续。
Please check in after 1:00 pm tomorrow. 请在明天下午1点后入办理入住手续。