check in

US /tʃek ɪn/

UK /tʃek ɪn/

办理入住, 报到

to register one's arrival at a hotel, airport, or other venue

•

We need to check in at the hotel before 3 PM.

我们必须在下午3点前在酒店办理入住。

•

Passengers should check in two hours before their flight.

乘客应在航班起飞前两小时办理登机手续。

联系, 报平安

to make contact with someone, usually to report or get information

•

I'll check in with you later to see how it's going.

我稍后会联系你，看看进展如何。

•

She always checks in with her parents when she travels.

她旅行时总是向父母报平安。