妙な話だ

that's strange

→ 妙だ
phrase Rare #26,916
that's strange Literally, it describes something as a strange or odd matter; 話 does not always mean a story here.
JA: 彼が何も言わずに帰ったなんて、妙な話だ。
EN: It's strange that he went home without saying anything.

本当なら少し妙な話だ。

If that's true, it's a little strange.

妙な話だ

That's a strange story.

— 恋する惑星 (1994)

彼も妙な話だと言った。

He said it was strange, too.

妙な話だが、我々は誰もその間違いに気付かなかった。

Strange as it may sound, none of us noticed the mistake.

妙な話だが、彼女はそのことをとても良く知っている。

Strange as it may sound, she knows that very well.

彼が解雇されるとは妙な話だ。

It's strange to think that he would be fired.

妙な話だが、私は何の痛みも感じなかった。

Strange as it may sound, I didn't feel any pain at all.