It's a good point about the fact that all this intelligence is old hat for the P5.
Not that war ever got to be old hat, really.
I know that's old hat to you, but let me tell it in my own way, one step at a time.
But the boy still grinned out from under the old hat.
Both works look a little old hat in an American context.
Doing things that are old hat feels new and different to me.
For them, this is a round that has become old hat.
He had worked there for only three years but it was already becoming old hat.
And besides, it was just a little too old hat.
To say the least, it wasn't old hat to me.
For a while it looked as if the fun had gone out of fashion.
For the next ten years the boy companies were out of fashion on the stage.
This style is out of fashion for no very good reason.
These two structures could not be more out of fashion today.
They thought it was going to go out of fashion in a year.
This practice, like most others, is also going out of fashion.
The book has fallen out of fashion in recent years.
They had gone out of fashion quite ten years earlier.
In fact I would like to see it go out of fashion very quickly indeed.
She said that such groups have since gone out of fashion.