When it comes to giving criticism, sometimes it's best to take a 'subtle' approach.
Racial discrimination still exists, only now it's 'subtler' than it once was.
It was her 'subtle' way of telling me to mind my own business.
(..) I don't like them either. They're all excellent reasons. Don't count too much on my friendship. In this matter, I'm powerless. Besides, I might lose francs. You're not very subtle, but you are effective. I get the point. Yes, I have the letters. I intend using them myself. I'm leaving Casablanca (..)1942 Casablanca