Follow the recipe properly or it will never come out right.
照着菜谱说的做,不然的话,味道就不对。
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡,也不会变白。
In the nineteenth century, a novelist would bring his story to a conclusion by presenting his readers with a series of coincidences -- most of them wildly improbable.