見ないの

don't look

→ 見る
phrase Rare #27,967
don't look Often used in questions to ask why someone isn't looking or seeing something. の can add an explanatory tone.
JA: どうしてこっちを見ないの?
EN: Why aren't you looking this way?

見ないのか?

Aren’t you going to watch it?

— フィフス・エレメント (1997)

試合を見ないのか?

Aren’t you going to watch the game?

— アメリカン・ギャングスター (2007)

ニュース見ないの?

Don't you watch the news?

なぜ私を見ないの?

Why don't you look at me?

— 炎628 (1985)

子供はママの裸を見ないのさ

Kids don't look at their mom naked.

— ファニーゲーム (1997)

テレビは見ないの?

Don't you watch TV?

テレビばっかり見ないの。

Don't spend all your time watching TV.