Cách sử dụng
The word 'ruff' can mean different things depending on how it is used. In the context of clothing, a 'ruff' is a circular collar worn around the neck in the Renaissance period. However, in the context of birds, a 'ruff' is a decorative collar of feathers around the neck of some male birds. In the game of cards, a 'ruff' refers to playing a trump card when you cannot follow suit. Therefore, the meaning of 'ruff' depends on the context in which it is used.