She likes the clothes that make her goodlooking.= She likes what makes her goodlooking.也就是说,第一个句子中,前面的likes后面跟了clothes这个名词了.that 在这里是引导一个定语从句,起连接作用,代前面的clothes.而后面的句子,likes后面没有接具体的名字宾语,所以用整个what从句做宾语.这种还可以类推,what=something that(something可以具体用其他名字代替.)