let in

Verb

transitive UK obsolete slang

(transitive) To let someone or something come in; to admit someone or something in. / To divulge one's inner thoughts to (someone), making oneself emotionally vulnerable to them; to open up to (someone).

Japanese Meaning

（人や物）が中へ入るのを許す、入ることを認める / （相手に）心の内を打ち明ける、自己開示する

What is this buttons?

Please let in the cat before it starts to rain.

Google Translation / DeepL Translation

雨が降り出す前に猫を家の中に入れてください。

Details

Sense（1）

(transitive) To let someone or something come in; to admit someone or something in.

Sense（2）

To divulge one's inner thoughts to (someone), making oneself emotionally vulnerable to them; to open up to (someone).

Details

Sense（3）

(transitive, Oxford University slang) To associate with.

He has also been good enough to recommend to me many tradesmen who are ready to supply these articles in any quantities; each of whom has been here already a dozen times, cap in hand, and vowing that it is quite immaterial when I pay—which is very kind of them; but, with the highest respect for friend Perkins (my scout) and his obliging friends, I shall make some enquiries before "letting in" with any of them.

Google Translation / DeepL Translation