deal是英语单词，有“交易、处理、成交、协议”等多种意思。
作为名词，deal表示“交易、协议、成交”等。例如：
- A deal is an agreement between two or more parties.
交易是两个或多个当事方之间的协议。
- We made a deal to sell our house.
我们达成了出售房屋的协议。
- The deal fell through.
交易失败了。
作为动词，deal表示“交易、处理、成交”等。例如：
- We deal in stocks.
我们交易股票。
- The company deals with a wide range of products.
该公司经营多种产品。
- The negotiations are still ongoing.
谈判仍在进行中。
deal还可以表示“处理、应付”等。例如：
- I\'ll deal with it later.
我以后会处理的。
- I can\'t deal with all this stress.
我无法应付所有的压力。
deal还可以表示“分配、分发”等。例如：
- The cards were dealt.
牌已发出。
- The teacher dealt out the papers.
老师发放了试卷。
deal还可以表示“对待、处置”等。例如：
- She dealt with him harshly.
她对他严厉。
- The company dealt with the problem quickly.
公司迅速解决了问题。
deal在句子中通常用作主语、宾语、表语等。
deal的用法比较灵活，可以根据具体的语境进行理解。
- The deal is that I\'ll do the dishes if you mow the lawn.
交易是这样的，如果你把草坪割了，我就洗碗。
- We\'re going to make a deal.
我们要达成协议。
- How did you deal with the stress of the job?
你是如何应付工作的压力的？
- The teacher dealt the cards face down.
老师把牌面朝下发了出去。
- The company dealt with the crisis effectively.
公司有效地应对了危机。