too much意思是“太多”,为形容词性短语,用来修饰不可数名词。例如;
I have too much homework to do this weekend. 本周末,我有太多的作业要做。
too much也可以是代词性短语,在句子中作主语、宾语或表语。例如:
He ate too much this morning.他早上吃得太多了。
much too 意思是“太……;过于……”,为副词性短语,用来修饰形容词或副词的原级。例如:
The pants are much too long for a child. 这条裤子对于小孩来说太长了。