Yap.Town

のは変だ

it's strange that

→ の
phrase Rare #21,911
it's strange that Used after a clause to say that the situation or fact described by that clause is strange or unusual. The の nominalizes the preceding clause, and は marks it as the topic.
JA: 彼が何も言わずに帰ったのは変だ。
EN: It's strange that he went home without saying anything.

彼女が何も言わなかったのは変だと思う。

I think it’s strange that she didn’t say anything.

彼女があんなに急いでいたのは変だと思わないかい？

Don’t you think it’s strange that she was in such a hurry?

彼が同意しなかったのは変だ。

It's strange that he didn't agree.

彼がここにいないのは変だと思いませんか。

Don't you think it's strange that he's not here?

彼女が学校を休んだのは変だと思う。

I think it's strange that she missed school.

彼女がまだ到着していないのは変だと思います。

I think it's strange that she hasn't arrived yet.

彼がこんなに遅いのは変だ。

It's strange that he's this late.

彼女がまだ来ていないのは変だと思います。

I think it's strange that she hasn't come yet.