1.I don't want any more of that heavy stuff.我再也不想碰那种麻烦事了。

2.I don’t have any idea.

3.I don’t understand at all.

4.I don’t want to continue.

5.I don’t know what it is about.

6.I don’t think the dinner is ready.

7.I don’t suppose you know the answer.

8.I don’t expect good ending.

9.I don’t like artificial fruit juice.