check in

• 指办理登记入住手续或报到，常用于酒店、机场或活动场所；也指联系某人以确认状态或进展。

A phrasal verb used to indicate the act of registering or reporting one's arrival, typically at a hotel, airport, or event, or to contact someone to confirm status or progress.

不可数 · 不及物 · 短语动词，不可分

1. Register at a hotel or airportformal

   To report one's arrival at a hotel, airport, or other facility.

   办理登记入住

   • We need to check in at the hotel by 3 PM.
   • She checked in for her flight online.
   • Please check in at the front desk when you arrive.

   同义词registerreportsign in

2. Contact to confirm statusinformal

   To make contact with someone to confirm safety, progress, or status.

   联系确认状态

   • I'll check in with you later to see how you're doing.
   • He checked in with his boss after completing the task.
   • She checks in with her parents every evening.

   同义词connectreach outtouch baseupdate

基本动词check