見てるだけ

just watching

→ 見る
phrase Common #6,331
just watching Informal contraction of 見ているだけ. Depending on context, it can also mean “just looking.” Related forms such as 見ただけで mean “just by seeing” or “as soon as one sees.”
JA: 店員さんに何を探しているか聞かれたけど、見てるだけです。
EN: The store clerk asked what I was looking for, but I’m just looking.

見てるだけ

Are you just watching?

— タクシー運転手 約束は海を越えて (2017)

お前は見てるだけ

You're just watching.

— 七人の侍 (1954)

あなたを見てるだけ悲しくなる

Just looking at you makes me sad.

— ビッグ・シック ぼくたちの大いなる目ざめ (2017)

見てるだけです

I'm just looking.

トムただ見てるだけだった

Tom was just watching.

ちょっと見てるだけなので大丈夫です

I'm just looking, thank you.

母親親父が怖くて見てるだけだった

Even my mother was afraid of my dad and could only watch.

— es[エス] (2001)