だけか

just ...?

→ だけ
phrase Uncommon #8,541
just ...? Follows a word or phrase to ask whether it is the only thing or explanation. With かも, it can suggest “maybe it’s just ….”
JA: これだけか?
EN: Is this all?

音だけか

Is it just the sound?

— 万引き家族 (2018)

お父さんが許さない米国の女子高生で携帯なしは彼女だけか

Among American high school girls whose fathers don't allow it, is she the only one without a cellphone?

— ワン・バトル・アフター・アナザー (2025)

見てるだけか?

Are you just watching?

— タクシー運転手 約束は海を越えて (2017)

そこに仕切りがあるだけか

Is it just a divider there?

— レザボア・ドッグス (1992)

吐いたのは水だけか

Was it just water that you threw up?

— Sanjuro (1962)

お忘れになっただけかと思いました。

I thought you had simply forgotten.

目標もない唯一の目標は格好いいスニーカーだけか

You have no goals? Is your only goal to get cool sneakers?

— ANORA アノーラ (2024)

結局コーヒーが欲しかっただけか

So you just wanted coffee after all?

— レザボア・ドッグス (1992)

霧越未麻は似てるだけか

Is Mima Kirigoe just similar-looking?

— PERFECT BLUE (1998)

お前らだけか

Are you guys the only ones here?

— エリート・スクワッド (2007)

殺すだけか?

Are you just going to kill me?

— 炎628 (1985)

こうしてただ集まって詩を読むだけか?

So are we just gathering here to read poetry?

— いまを生きる (1989)