The soldiers were 'pinned' down by enemy fire. [=the soldiers were unable to move because they were being shot at by the enemy]
She's always 'dropping names'. [=saying the names of famous people she knows to try to impress others]
Reporters tried to 'pin' him 'down' on the specific changes he wants to make to the tax laws.
(..) He is famous. It's true. I make more of a bella figura. That is my nature. But I also want to make a move into legitimate enterprises. I'd like a little pin from the Pope. Sure, I take the Blacks and the Spanish into my family, because that's America. And you guarantee that they don't deal drugs? (..)1990 The Godfather Part III