cake/ keɪk /

1.noun [c/u] 
(sponge,fruitcake etc) (large) 蛋糕

2.noun
(small) 糕点

3.noun [c] [of soap] 


4.noun [c] 
crab/rice/potato cake (savoury) 蟹/米/土豆饼

it's a piece of cake
 [inf] 太容易了
he wants to have his cake and eat it
他想两者兼得