人見知り

shyness around strangers

noun Rare #37,829
shyness around strangers Often used for children, but can also describe adults who are shy with unfamiliar people.
JA: 妹は人見知りなので、知らない人に会うと黙ってしまう。
EN: My younger sister is shy around strangers, so she becomes quiet when she meets unfamiliar people.

私は人見知りをする

I'm shy around people I don't know.

やたら人見知りをした

I was extremely shy around strangers.

— ベルリン・天使の詩 (1987)

娘が人見知りしているようです

It seems like my daughter is shy around strangers.

— バジュランギおじさんと、小さな迷子 (2015)

彼は人見知りする

He's shy around strangers.