be like a kid in a candy store

US /bi laɪk ə kɪd ɪn ə ˈkæn.di stɔːr/
UK /bi laɪk ə kɪd ɪn ə ˈkæn.di stɔːr/
"be like a kid in a candy store" picture
1.

お菓子屋の子供のよう, 大喜びする

to be extremely excited and happy about something, often to the point of being overwhelmed or giddy

:
When he saw all the new gadgets, he was like a kid in a candy store.
新しいガジェットをすべて見たとき、彼はお菓子屋の子供のようだった
She was like a kid in a candy store when she visited the art supply shop.
画材店を訪れたとき、彼女はお菓子屋の子供のようだった