どんな＊＊でもわかる

そのまま覚えて使えるものもあるでしょうし、パターンとして前半を覚えて、後半を自由に考えることもできます。"Any idiot can see that " で検索して出てきた用例です。

Any idiot can see that that's not going to work in most cases.

Any idiot can see that's not true.

Any idiot can see that. People who say otherwise are lying. It's obvious on its face.

Any idiot can see that those two cannot exist simultaneously.

Any idiot can see that there's a huge difference between 6,000 and a few billion.