What does "check in" mean?

To register arrival at a hotel or airport To officially register your arrival, or informally to make contact.

How do you use "check in" in a sentence?

We checked in at noon. Check in at the front desk. I'll check in with you tomorrow.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Neutral

Meaning: To register arrival at a hotel or airport

办理入住、报到

Registrarse, facturar

チェックインする、連絡を入れる

체크인하다, 안부를 묻다

To officially register your arrival, or informally to make contact.

在酒店或机场正式登记到达。也可指非正式地联系确认情况。

Registrar oficialmente tu llegada, o de manera informal contactar para saber cómo están las cosas.

ホテルや空港で到着を登録すること。また、非公式に様子を確認する連絡をすること。

호텔이나 공항에서 공식적으로 도착을 등록하거나, 비공식적으로 안부를 확인하는 것을 의미한다.

Base verb: check

Particle: in

Separable: No — the verb and particle stay together

We checked in at noon.
我们中午办理了入住
Nos registramos al mediodía
正午にチェックインした
우리는 정오에 체크인했다.
Check in at the front desk.
请在前台办理入住
Regístrate en recepción
フロントでチェックインしてください
프런트 데스크에서 체크인해 주세요.
I'll check in with you tomorrow.
明天我会联系你
Te escribo mañana para saber cómo vas
明日また連絡するね
내일 다시 연락할게.

Context: travel, hotels, airports

Tone: practical

From registering on a check-in list.

Era: Modern

Generation: All ages

Social background: Universal