1.deal with sth./sb.表示“對待，交往，處理, 論述，涉及；與…相處；與…做買賣;和…有生意往來”。
You dealt with the situation very effectively.
你應付那種局面很有一套。
Such people are difficult to deal with. 這種人很不好對付。
This sort of man is hard to deal with. 同這種人打交道很難。
That question has been dealt with. 那個問題已得到處理。
All enquiries will be dealt with as speedily as possible.
所有詢問都将從速處理。
We must take positive steps to deal with the problem.
我們必須采取積極步驟處理這個問題。
The government must deal with this as a matter of urgency.
政府必須将此事當作緊急的事情來處理。
The government is taking emergency action to deal with a housing crisis
政府正采取緊急措施解決住房危機。
She had shown herself unable to deal with money.
她所做的事已表明她不善理财。
Society does not know how to deal with hardened criminals.
社會不知道怎樣處置慣犯。
She explains how she deals with on-air technical problems.
她解釋了她是如何處理播放中的技術問題的。
All cases concerning children are dealt with in a special children's court.
所有涉及兒童的案件均由兒童特别法庭審理。
Those embezzlers and grafters who are reckless with greed must be dealt with seriously in accordance with the policy.
對那些利欲熏心的A錢盜竊分子，一定要按照政策嚴肅處理。
A number of people have been employed to deal with the backlog of work.
已雇來一些人處理積壓的工作。
She shouldn't be having to deal with problems like this at such a tender age.
她小小年紀涉世未深，實在還不該處理這樣的問題。
Once he had found his feet he was able to deal with any problem.
他一旦變得自信了就能夠處理任何問題。
The President said the agreement would allow other vital problems to be dealt with.
總統說這項協定将能使其他關鍵問題得到解決。
I will not deal with that shopkeeper again. 我将不會再與那個店主打交道。
I deal with customers on the phone and rarely meet them face-to-face.
我用電話和客戶打交道，很少和他們見面。
He's a hard man to deal with.
要跟他這個人做生意很難。
When I worked in Florida I dealt with British people all the time...
在佛羅裡達工作時，我總與英國人有生意往來。
Let me deal with some common misconceptions.
我來談談一些常見的錯誤認識。
People usually complain about having to deal with too much bureaucracy.
人們經常抱怨不得不應付太多的繁文缛節。
The declaration deals with disarmament and the non-proliferation of nuclear weapons.
該聲明涉及裁軍和防止核武器擴散問題。
This book deals with the social, economic and political issues of the period.
這本書論及了那個時期的社會、經濟和政治問題。
The book deals with some of the oddities of grammar and spelling.
這本書專講文法和拼寫方面的某些不規則現象。
The paper deals with the events in historical sequence.
本文按曆史順序論述那些事件。
2.do with可以表示多種含義。
（1）表示“對待，處理”，意同deal with，但搭配不同。比較：
do with經常與連接配接代詞 what連用，而 deal with經常與連接配接副詞 how連用
What will you do with the letter？你将把那封信怎樣處理？（do with同what搭配）
How will you deal with the letter？（deal with同how搭配）
I don' t know how they deal with problem.(= I don' t know what they do with the problem.)我不知道他們怎麼處理這個問題.
He is easy to deal with.(= He is easy to do with.此時" do"是不及物動詞)他很容易相處.這兩個詞在使用上有細微的差别.一般來說， do with表示"被處理"、"忍受"、"相處"、"相關"等等.
I don't know what to do with all the food that's left over.
我不知道怎樣處理所有這些剩飯剩菜。
You can’t deal with your personal matters at work.
你不能在上班的時候處理個人事物。
（2）表示“容忍，滿足于，對付某人，與……做生意”。
I can't do with loud music. 我受不了喧鬧的音樂。
I could do with a good night's rest. 我隻要能好好休息一個晚上就行了。
I could do with a drink!
我真想喝一杯！
We could all do with a cup of tea
要是能給我們都來杯茶就好了。
I could do with a cup of tea
我需要一杯茶。
Don’t worry about it, let me deal with him.
别擔心，讓我來對付他。
The company deals with many overseas suppliers.
這家公司跟很多國外的供應商做生意。
（3）表示“和……有關”，用于have something/anything to do with，have nothing to do with結構中。
It has nothing to do with me. 這和我無關。
Her job has something to do with computers.
她的工作與計算機有些關系。
They were shouting at each other. It was something to do with money.
他們在吵架，是為了錢的事。
I'd have nothing to do with him, if I were you.
如果我是你，我就不會跟他有任何瓜葛。
I swear to God I had nothing to do with it.
我可以對天發誓，這跟我一點關系也沒有。
A lot of this has to do with power and greed.
凡此種種都和權力與貪欲有關。
Her job has to do with telephone. 她的工作與電話有關。
That has nothing to do with what we're discussing.
那與我們所讨論的問題毫不相幹。
The top secret documents had to do with the most advanced military equipment.
絕密檔案涉及最先進的軍事裝備。
注意：deal with,do with
1)二者都可表示"對付，應付，處理，安排"，但deal是不及物動詞，可與how連用；而do是及物動詞，隻與what連用表示上述意義，不能單獨使用。對比：
We don't know what to do with the waste materials./We don't know how to deal with the waste materials.
我們不知道怎樣處理這此廢料。
What's the best way of dealing with thieves?
對付小偷最好的辦法是什麼？
（此句中的deal with不可替換成do with）
2)deal with還可表示"論述，涉及到；與……相處"等意義，而do with 無此用法。如：
The books dealing with Asian problems sell well in colleges.論述亞洲問題的書在大學裡很暢銷。
That man is easy to deal with.這個人容易相處。
3.deal in表示“從事……的買賣”，“買賣；經營”。
A bookseller deals with books.
A bookseller deals in books.
書商經營書籍買賣。
This book deals in common errors.
This book deals with common errors.
這本書探讨常犯的錯誤。
They deal in books, furniture, hardware and spices.
他們經銷書籍、家具、五金、香料。
This shop deals in daily necessities. 這家商店經營日用品。
They deal in antiques.
他們做古董買賣。