a writer with a 'tin ear' for dialogue [=who writes dialogue that does not sound real]
My wife is a talented musician, but I have a 'tin ear'.
a 'tin' of biscuits/tobacco
(..) What is it? Real sugar. Not saccharine. And I've got a loaf of bread, proper white bread. And jam. A real tin of milk. Look. Coffee. Real coffee. Inner Party. Half a kilo. How did you manage to get hold of all this? (..)1984 1984