答:两者都是“太”之意,但是其用法不同。
much too的意思是“ (实在)太、过于”,是副词词组,其中心词是too, 用来加强形容词或者副词原级的语气。例如:
She studies much too hard.
It is much too cool today. 今天天气实在是太凉爽了。
too much的意思是“ 太多、过分、非常”,可以用作副词、代词等,其中心词是much, 用来修饰或者代替不可数名词。例如:
Too much drinking will do graet harm to our health.
Don't think too much of yourself.
I am sorry to have given you too much trouble. 很抱歉给您增添了太多麻烦。