no可以作形容词，也可以用作副词，作形容词时后面加名词例如no money,作副词时，后面加形容词或者副词的比较级，例如no more.
1.There's no need for you to go.你不必走。
2.That was by no means the end of the matter.事情决不可能到此为止。
3.We'll be there in less than no time.我们马上就到。
4.There are no significant differences between the two groups of students.这两组学生没有明显差别。
