have nothing to do with / deal with

do with 常与连接代词 what 连用,而 deal with 常与连接副词 how 连用,如：
1 。I don’t know how they deal with the problem 。(= I don‘t know what they do with the problem 。)我不知道他们如何处理这个问题。
2 。He is easy to deal with 。(= He is easy to do with 。这时“do”是不及物动词)他是容易相处的人。这两个词组在使用时有细微的差别。一般地说,do with 表示“处置”、“忍受”、“相处”、“有关”等。如：
1 。They found a way to do with the elephant 。他们找到对付那头大象的办法了。
2 。We can’t do with such carelessness 。我们不能容忍这种粗枝大叶的作风。
3 。We are difficult to do with the new comer 。我们很难与新来的那个人相处。
4 。I have nothing to do with him 。我跟他无任何关系。
deal with 意义很广,常表示“对付”、“应付”、“处理”、“安排”、“论述”、“涉及”等。如：
1 。They could properly deal with all kinds of situations 。他能恰当地应付各种局面。
2 。Deal with a man as he deals with you 。以其人之道,还治其人之身。
3 。This is a book dealing with Asian problems 。这是一本论述亚洲问题的书。
4 。They have learned to deal with various persons 。他们学会了和各种人打交道。