"This is going to sound stupid, but are you sure?"

Come to think of it you could call anyone by a name which is not their own and make them sound stupid.

But I could think of nothing that did not sound stupid.

"But I do have two quick questions that might sound stupid."

The whole thing sounded stupid, but she must have had a ball.

That sounds stupid to even ask, but I'm not afraid of asking questions.

I know this is going to sound stupid,' she said.

"This probably sounds stupid, but I haven't made up my mind yet."

It sounds stupid, but she had a kind of innocence.

It sounded stupid, but she couldn't think of anything else to say.