dilate upon . dilate on . speak or write comprehensively about详述（说或写）
If there were time， I could dilate upon this subject．假如有时间，我会对此题目加以详述的。
The doctors are dilating on the rare case．大夫们正在讨论这个罕见的病例。
Our teacher dilated on this sentence structure in class．老师在班上对这个句子结构详细讲解了。
dip into . read or study for a short time or without much attention 浏览；稍加研究
I have only dipped into the book but I find quite interesting．我只是浏览了一下这本书，不过我发现它相当有趣。
Some books are to be read seriously，others to be dipped into．有些书要认真阅读，另一些书浏览一下就行了。
I've only dipped into ancient history．我对古代史仅仅有点粗浅的研究。
disappointed about . disappointed at . disappointed in . unhappy at something ；not seeing hopes come true对某事感到失望
He felt very much disappointed at his failure to pass the examination．他对考试不及格感到非常沮丧。
What are you looking so disappointed about？什么事使你显得如此失望？
We were disappointed in our hopes．我们的希望落空了。
disappointed with . unhappy with somebody or something .unsatisfied with somebody or something对某人或某事感到失望
He is quite disappointed with his secretary．他对他的秘书感到很失望。
I am very disappointed with my new bicycle．我对我的新自行车感到很失望。
disapprove of . refuse to agree to,不赞成
Jack's father disapproved of his marriage to Jane．杰克的父亲不赞成他与简的婚姻。
I disapprove of your method．我不赞成你的方法。
disapprove of . dislike不喜欢
I disapprove of his way of dealing with others．我不喜欢他的处世方法。
discharge from . send away or allow to leave使免除；使解脱；使离开
Since you were caught helping the thieves，I have no choice but to discharge you from my service．既然你被抓住助贼盗物，我就不得不将你开除了。
Her father was discharged from the hospital three weeks after the operation．他父亲手术后3个月就出院了。
discourage from . 劝阻；使不敢
Father discouraged him from gambling．父亲劝他不要赌博。
Nothing can discourage him from attaining his goal．什么也不能阻止他去实现自己的目标。
discriminate against . treat unfairly， as less important or worthy歧视
It is unjust and unlawful to discriminate against people of other races．歧视别的种族是不公正的，不合法的。
Laws do not discriminate against anyone．法律面前人人平等。
You have no right to discriminate against him．你没有权利歧视他。
discriminate from . tell from； distinguish把…同…区分开来；辨别；区分
Some children can't discriminate good books from bad ones．一些孩子不能辨别好书和坏书。
disgusted with . disgusted at . having a strong feeling of dislike for厌恶
I am completely disgusted with his rude behaviour and affectation．我非常厌恶他的粗野和做作。
We were disgusted at what we heard and saw here．我们对这里的所见所闻感到厌恶。
We are disgusted with bribery and corruption．我们厌恶行贿和腐败。
dish out . serve out in a dish or dishes用盘上菜
She is busy dishing out food to the guests．她正忙着给客人们端饭菜。
dish out . distribute； provide分配；提供
The government dishes out payments to people without jobs．政府给失业的人发钱。
The teacher dished out the new books to the students in class．老师在课堂上给学生发新书。
The corrupt politician dished out titles and honors to his friends and supporters，many of whom were quite undeserving．那个腐败的政客给他的朋友和支持者封官许愿，他们当中有许多人根本就不配。
dish up . serve up in a dish用盘子端上
She dished up a roast turkey．她端上一盘烤火鸡。
The food was dished up when the guests arrived．客人来时，饭菜都盛好端上来了。
dish up . prepare；serve up facts， arguments准备并提出事实等论据
He dished up a lot of useful facts and figures．他提供了许多有用的事实和数据。
She can dish up the story in a humorous way．她能幽默地把这故事讲得娓娓动听。
dismiss from . make somebody leave； send away from one's employment解雇；解职
The officer was dismissed from the service for neglect of duty．这位官员因玩忽职守而被撤职。
The clerk was dismissed from the factory for stealing bikes．那个职员因偷 盗自行车被工厂开除了。
dispense with . choose to do without不用；无需
We can dispense with his help．我们不需要他的帮助。
dispense with . get rid of免除
Let's dispense with all the formalities and begin our meeting at once．让我们免去繁文褥节，立即开会吧。
The conveyer belt has enabled the workers to dispense with the lifting of the parts by hand．传送带解除了工人们用手工传送零件之苦。
dispose of . sell卖掉
We have too much furniture； let's dispose of the old chairs．我们家具太多了，把这些旧椅子卖掉吧。
He disposed of his house for one hundred thousand yuan．他以十万人民币的价格卖掉了房子。
dispose of . get rid of；throw away 处理掉
Please dispose of the waste paper．请把这些废纸处理掉。
The doctor asked him to drink plenty of water to dispose of the side effects of the medicine．医生要他多喝水以去掉药物的副作用。
dispose of . eat or drink until it is finished 吃光；喝光
The children disposed of all the food their mother had prepared for them．孩子们把母亲所准备的食物都吃光了。
He disposed of ten dishes and five bottles of beer in a very short time．他很快就吃完了十盘菜，喝完了五瓶啤酒。
dispose of . handle；deal with；settle处理；解决
The committee disposed of all its business in an hour．委员会在一小时内就把所有事情处理完毕。
He disposed of all the difficulties and succeeded at last．他排除了所有的困难，最后终于成功了。