なぜあんなに

why so

→ 何故
phrase Rare #26,365
why so Used to ask why someone or something is to such an extent, often translated as “why so much,” “why so [adjective],” or “why that [adjective].” あんなに refers to an extent perceived as notable or surprising.
JA: 彼女はなぜあんなに急いでいるの?
EN: Why is she in such a hurry?

なぜあんなに怒ってる見た通りだ

Why are they so angry? It’s exactly what it looks like.

— Carandiru (2003)

なぜあんなに怒ったんでしょう

I wonder why they got so angry.

— 甘い生活 (1960)

こりゃすごい高さだななぜあんなに高い

Wow, that's incredibly high. Why is it so tall?

— ムーンライズ・キングダム (2012)

ジョンなぜあんなに良い仕事を断ったのか私には理解できない

I can’t understand why John turned down such a good job.