と思ったの

thought that …; believed or judged that …

→ と

phrase Rare #33,402

thought that …; believed or judged that … Used to describe a past thought or belief. The ending の often gives the phrase a conversational, explanatory tone, especially in questions.

JA: どうしてトムがヘビメタを好きだと思ったの？

EN: Why did you think Tom liked heavy metal?

ああ、それを忘れたかもしれないと思ったの？

Oh, did you think I might have forgotten that?

— ミスティック・リバー (2003)

永遠にいると思ったの？

Did you think I’d be here forever?

— レミーのおいしいレストラン (2007)

きっと目が覚めたら思い出すと思ったの

I was sure I’d remember once I woke up.

— マルホランド・ドライブ (2001)

私を男だと思ったの？

Did you think I was a man?

— 魔女の宅急便 (1989)