かぁ

I see; ... huh, like hell; no way

particle Rare #25,916
I see; ... huh A casual sentence-ending particle that often expresses realization or resignation; the drawn-out sound adds emphasis.
JA: 今日も雨かぁ。
EN: Oh, it’s raining again today.
like hell; no way In a rhetorical negative expression, it emphatically rejects the idea.
JA: そんな簡単に諦めてなるかぁ!
EN: Like hell I’ll give up that easily!

でも飲むかぁ

Well, I guess I’ll have a drink.

— すずめの戸締まり (2022)

ここも雨かぁ。

It's raining here too, huh.

そうかぁ

I see.

— Godzilla Minus One (2023)

入れましたかぁ

Were you able to get in?

— 崖の上のポニョ (2008)

いよいよあしたかぁ

So, tomorrow’s the big day.

— Godzilla Minus One (2023)

どこから始めますかぁ~?

Where should we start?

— Arrietty (2010)

今日で休みも終わりかぁ。

I guess the holiday’s over as of today.