とはな

to think that...

→ と

phrase Rare #37,391

to think that... A sentence-ending expression of surprise, disbelief, or admiration, often with a rough or masculine tone. It is similar to とはね but more casual and emphatic.

JA: まさか彼が優勝するとはな。

EN: I can't believe he won.

切手収集してたとはな。

I never knew you collected stamps.

交通事故とはな

A traffic accident, huh.

— マルホランド・ドライブ (2001)

スウェーデンの首都がストックホルムだとはな。

I can't believe Sweden's capital is Stockholm.