かぁ

I wonder...

particle Rare #27,392
I wonder... A casual, drawn-out sentence-ending particle expressing wondering, realization, or a slightly emotional reaction.
JA: 明日は晴れるのかぁ。
EN: I wonder if it’ll be sunny tomorrow.

パーズー仕事サボってデートかぁ

Pazu, skipping work to go on a date, huh?

— 天空の城ラピュタ (1986)

信じられるかぁ

Can you believe it?

— 天空の城ラピュタ (1986)

マリアお花やってたかぁ

Oh, Maria, you were watering the flowers.

— 映画 聲の形 (2016)

ここもかぁ

It's raining here too, huh.

そうかぁ

I see.

— 天空の城ラピュタ (1986)

かぁ

Me?

— 七人の侍 (1954)

今日休み終わりかぁ

I guess the holiday’s over as of today.