君はなぜ

why do you

→ 君
phrase Rare #20,615
why do you 君 is a familiar, often casual way to say “you.” The full phrase can also mean “why did you” or “why are you,” depending on the sentence.
JA: 君はなぜそんなに急いでいるの?
EN: Why are you in such a hurry?

君はなぜこの本を買いたいのですか。

Why do you want to buy this book?

君はなぜもっと早く来られなかったのか。

Why couldn't you have come earlier?

君はなぜ私の息子を非難するのか。

Why are you blaming my son?

さて君はなぜここにいるのか分かってるか?

So, do you know why you're here?

— オープン・ユア・アイズ (1997)

君はなぜお金を使い果たしたのか。

Why did you spend all your money?

君はなぜこの金が必要なんだ。

Why do you need this money?

君はなぜお金をすべて使い果たしたのか。

Why did you spend all your money?