Cardio和jaylin
cardan joint───[机]万向节；[机]万向接头，卡登接头
cardigan jacket───开襟羊毛衣
cards and spades───纸牌和黑桃
hard and fast───严格的；固定不变的
hard and faster───又硬又快
board and lodging───膳宿；供应食宿
carrot and sticks───软硬兼施的；胡萝卜棍棒并用的
