ruff
/rʌf; rʌf/ n
1 ring of differently coloured or marked feathers or fur round the neck of a bird or animal 鸟兽颈部的羽或毛形成的彩环.
2 wide stiff frill worn as a collar, esp in the 16th century 飞边（宽而硬的皱领, 16世纪尤为流行）.
ruff / rʌf; rʌf/ v [I, Tn]
trump (a card or a player) in a card-game （纸牌戏中）打出王牌胜（另一牌或他家）.