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to let in
[phrase form: let]
01
to let something or someone enter a place
Transitive: to let in sb/sth
Examples
I forgot my keys and had to wait for my roommate to let me in.
02
to permit the passage of water, air, or light through a hole or opening in something
Transitive: to let in water, air, or light
Examples
The leaky roof let in the rain, causing water damage to the ceiling and walls.
