変だな

that's strange

→ 変だ
phrase Rare #29,065
that's strange A casual way to express that something seems strange or odd. The sentence-ending な adds a feeling of reflection or realization.
JA: この時計、変だな。
EN: This clock is strange.

変だな

That's strange.

— アトランティス 失われた帝国 (2001)

なんか変だな

Something seems off.

変だな

That's strange.

— デッド・ドント・ダイ (2019)

休みいるって言ってたのにいないなんて確かに変だな

You said you'd be here during the break, but you're not. That is definitely strange.

— ファニーゲーム (1997)