be absorbed in
テニスに夢中なのよ。
I'm really into tennis.
トムは仕事に夢中になって食べることも忘れてしまった。
Tom became so engrossed in his work that he forgot to eat.
犬に夢中
I'm crazy about dogs.
— JUNO／ジュノ (2007)
子供たちはすぐにそのゲームに夢中になった。
The children were immediately hooked on the game.
学生時代に夢中になっていたことはありますか？
Was there anything you were really into when you were a student?
お前があいつに夢中なことぐらい、みんな知ってるよ。
Everyone knows you're crazy about that guy.
ケイトはよくテレビに出演する新人歌手に夢中になっています。
Kate is infatuated with a new singer who often appears on television.
トムは君に夢中さ。
Tom is crazy about you.
父はそのゲームに夢中でした。
My father was engrossed in that game.
彼らが孫にどんなに夢中か知っているでしょ。
You know how crazy they are about their grandchild.
学生時代は、クラシック音楽に夢中でした。
When I was a student, I was really into classical music.
子供達は遊びに夢中になっていた。
The children were engrossed in playing.