He has checked into an alcohol treatment centre.

他已登记住进了一所戒酒治疗中心。

《柯林斯英汉双解大词典》

He has checked the copy against the original.

他已把抄件与原文核对过了。

youdao

Novick informs Palmer that he has checked into Jack's background and found many gaps in his history that are classified.

诺维克告知帕默，他查看了杰克的背景，发现他的履历中有些空白之处，而且是涉及机密的。

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It's very highly ranked, and etc, etc. It has all of the, like checked marks.

排名靠前等等。诸如所有这些重要的指标，它都有。

选康内尔大学的理由 - SpeakingMax英语口语达人

For example, travelers can see who else has checked into their airport or hotel.

FORBES: Checking Out Where Consumers Check In Helps Marketers

In brief, Werner Herzog has checked into New Orleans and metaphysical despair is loosed upon Bourbon Street.

NEWYORKER: Bad Lieutenant: Port of Call New Orleans

People can also ask for a friend to write a review if they see that a friend has checked-in to a restaurant.

FORBES: Ness Gets Social With Personalized Restaurant App