习惯于（to 后面接名词、动名词或动词原形）accustomed to  

他工作很努力，已经成习惯了。He is accustomed to working hard,

她不太习惯在公开场合讲话。She isn't accustomed to public speaking,

她过去不习惯冬天离家。She was not accustomed to leave home during the winter,

 熟悉 认识；知道acquaint with

我们将计划告诉了他。We acquainted him with our plan,

在作出一项决定之前要熟悉各种情况。You should acquaint yourself with the facts before making a decision,

这些书帮助中国读者了解这些地区的古代文化。These books acquaint Chinese readers with the ancient cultures of these lands,

我与这位女士不相识。I am not acquainted with the lady,

他很快地熟悉了新工作。He quickly got acquainted with his new duties,

 宣告  无罪acquit of

他们宣布他没犯谋杀罪。They acquitted him of murder,

那个年轻人被宣判无罪。The young man was acquitted of the crime,

 当作；充当 担任  的角色act as

一条经过训练的狗可以给盲人当向导。A trained dog can act as a guide to a blind person,

这种茶助消化。This kind of tea act as an aid to digestion,

他的一个朋友充当了中间人的角色。One of his friends acted as the go between,

 代理act for

他将代理主席处理这件事情。He will act for the chairman on the matter,

因王先生生病，他的儿子一直代他处理一切事务。Since Mr, Wang fell ill，his son has been acting for him in all his affairs,

 产生影响;遵照（行事）act on  

act upon  

这种药很快使他退烧了。The medicine acted on his fever at once,

她遵医嘱行事。She acted on the doctor's advice,

你应该马上按这封信的意思去做，不然就会太晚了。You should act upon this letter at once，or it will be too late,

  按照（期望、诺言、自己的声誉等）行事act up to

你要是说而不做，你的话就没有多大意思了。What you say means very little unless you act up to it  ,

我希望你能按照他们给你出的好主意办。I hope you'll act up to the good advice they've given you,

 追加add on  

请把这几个名字补加到你的名单里好吗？Would you please add these names on to your list？

把别的项目加在这页的下端。Add the other items on at the bottom of the page,

 增加add to  

这所房子我们还可以加盖一个房间。We can add another room to the house,

二加五等于七。Two added to five makes seven,

这增加了他们的困难。This adds to their difficulties,

我不想给你增加麻烦。I don't want to add to your troubles,

   加起来;估计；权衡；有所帮助;有意义；合情合理add up

把这些数字加起来，看看总数是多少。Add these figures up and see what the total is,

这些数字加起来与总数不符。The numbers wouldn't add up,

他们权衡了所有的利弊得失，试图做出决定。They added up all the advantages and disadvantages and tried to come to a decision,

天天做早操有益于健康。Doing morning exercise every day will add up,

他的借口简直没有道理。His excuse just doesn't add up,

他的所作所为似乎没有意义。Nothing he does seems to add up,

他的故事不合情理。His story didn't add up,

合计，总共；意味着；意思是add up to  

他花的钱合计超过了一千美元。The money he spent added up to more than one thousand dollars ,

这些账单加起来正好一千英镑。The bills add up to exactly one thousand pounds,

八加十等于十八。Eight and ten add up to eighteen,

全部证据都表明这是一件谋杀案。The evidence all adds up to a case of murder,

下雨、蚊子和拥挤的小屋，意味着这假期过得糟透了。The rain，the mosquitoes and the crowded cabin all added up to a spoiled vacation,

他的冗长的回答实际上意味着拒绝。His long answer just adds up to a refusal,

沉溺于；醉心于;（吸毒等）成瘾addicted to  

爱丽丝酷爱音乐。Alice is addicted to music,

他吸毒成瘾。He became addicted to the drug,

着手（致力于）做；忙于;向  讲话address oneself to,

是动手做我们手上事情的时候了。It is time we addressed ourselves to the business in hand,

总统向公众发表电视讲话。The president addressed himself to the public on TV,

我们对系主任说，我们盼着去西藏工作。We addressed ourselves to the dean that we were eager to work in Tibet,

粘住; 坚持；忠实于adhere to

湿衣服会贴在身上。Wet clothes adhere to the skin,

尽管天气恶劣，他们还是坚持原先的登山计划。They adhered to the original plan of climbing the mountain in spite of the bad weather,

一定要坚持走群众路线。The mass line must be adhered to,

他坚持他在会上说过的话，一点也没改变主意。He resolutely adhered to what he had said at the meeting； he had not changed his mind anyway,