She expressed her disappointment without saying a word.

I say we go to the beach tomorrow.

I'm just saying that the service here is terrible.

I dare say he will be late again.

You don't say ! I never expected you to win the competition.

I can't say for certain whether the weather will improve this week.

She has a certain je ne sais quoi that makes her irresistible.

I would go so far as to say that she is the most talented person I know.