何が問題なのか

what the problem is

→ 何

phrase Rare #36,628

what the problem is Used to ask or refer to what is wrong or what the problem is. The ending なのか makes it an embedded question or a questioning statement; it can also appear in direct questions with an emphatic tone.

JA: 何が問題なのか、まだ分かっていません。

EN: I still don't know what the problem is.

一体何が問題なのか、彼は私に言わなかった。

He didn't tell me what the problem was.

何が問題なのかは分かっていた。

I knew what the problem was.

何が問題なのかわかりません

I don't know what the problem is.

— ウィキッドふたりの魔女 (2024)

ベニテス枢機卿はレイ、何が問題なのか何が問題なんだ？

Cardinal Benitez, Ray—what’s the problem? What’s wrong?

— 教皇選挙 (2024)