何を見たの

what did you see?

→ 何

phrase Uncommon #16,831

what did you see? The subject is omitted and understood from context. The final の gives the question a conversational, sometimes curious or explanatory tone.

JA: 窓の外で何を見たの？

EN: What did you see outside the window?

あなたは何を見たのですか。

What did you see?

その時、何を見たの？

What did you see then?

ムニ、何を見たの？

Muni, what did you see?

— バジュランギおじさんと、小さな迷子 (2015)

今何を見たの？

What did you just see?

具体的に何を見たの？

What exactly did you see?

台所で何を見たの？

What did you see in the kitchen?

本当はホテルで何を見たの？

What did you really see at the hotel?

— ピエロがお前を嘲笑う (2014)