"Those expressions mean a lot more to me than a trophy."
The expression meant nothing to her, but that did not mean she was in any sense unfamiliar with it.
But the expression won't mean much if the thinking remains backwards.
Neither of us had any idea what the expression meant.
By using the word 'can' or 'can't' you change the expression to mean that all is possible.
We all know what the expression means, and ordinary people don't.
It was hard to tell just what his expression meant.
"Anyone who sees you will know exactly what that stupid expression means."
"After a while, you realize that the original expression doesn't really mean anything either," he said.
I have always wondered what the expression "teaching to the test" meant.