Translation guide
The English phrase "let in" can mean allowing someone or something to enter, admitting light/air, or figuratively including someone. This guide covers natural Japanese expressions for these situations.
To permit someone to come into a place, such as a room, building, or event.
The most common and versatile verb for letting someone in. Can be used for homes, rooms, buildings, etc.
I let my friend into the house.
Please let him into the meeting room right away without making him wait at reception.
Often used when guiding someone into a room or through an entrance, implying a more formal or deliberate action.
I showed the guest into the reception room.
Emphasizes letting someone inside, often used when there is a barrier or when permission is needed.
The security guard wouldn't let me in.
To permit something non-physical like light, air, or sound to come into a space.
The same verb as for people, but used with objects like light or air. Often used with windows or curtains.
Open the curtains and let in some light.
Used when allowing air or sound to pass through, often implying ventilation or permeability.
To allow someone to join a group, club, or institution.
Specifically means to admit someone as a member. Used for clubs, societies, etc.
We let him into the club.
Used for admitting someone to a school or university.
The university didn't let him in.
A broader term meaning to accept or admit someone into a group or community.
To allow water or liquid to enter, often unintentionally, like a leak.
To share confidential information with someone.
English 'let' often implies permission or causation. In Japanese, the causative form (〜させる) can sound forceful or like 'make someone do'. For 'let in', simple verbs like 入れる are more natural than causative constructions.
Let's open the window and let in some fresh air.
このカーテンは光を通さない。
These curtains don't let in any light.
We let in new members.