动词，防止;阻止;阻碍;阻挠 后面可以直接跟宾语。prevent,

 阻止，制止prevent,  from doing,

 keep,   from doing,

 stop ,   from doing,

prevent,或者stop,中from,可以省略，keep,不可。

依靠，依赖，取决于。depend on,

depend upon,

“看情况而定”，单独使用，或用于句首。It depends,

 it all depends,

that depends,

“生存，存在”。exist,

存在于  中。exist in,

“靠  生活”。exist on,

 exist by,

exist on,后的宾语通常指食物，收入，薪金。

exist by,后面的宾语通常是表示行为，职业等抽象名词。

在场 ; 出席 ; 存在 ; 出现 ; 一个队 ; 部队 ;presence,

“出席，到场，存在”。at present,

在某人面前in one's presence,

在面前in the presence of

镇定;处变不惊;遇事不慌。presence of mind,

“使失望”，后面直接加宾语。disappoint,

形容词，表示“失望的，失意的，受挫的”。disappointed,

“对（事物或行为）感到失望”。宾语是名词或者动名词。be disappointed at,

be disappointed by,

“对（人或者事物）失望”，宾语是名词。be disappointed in,

名词，“力量，暴力，军队”。动词，表示“强制，胁迫”。force,

靠武力，强行。by force,

某事物开始生效，执行。come into force,

与  会师，联合，合作。join forces with,

强迫某人做某事。force somebody to do something,

把事物强加给某人。force something on somebody,

force something upon somebody,

动词，表示“（使）高兴，（对）欢呼，喝彩”。名词，表示“欢呼（可数名词），愉快的情绪（不可数名词）”。cheer,

感到高兴，感到振兴。cheer up,

为某人加油鼓劲。cheer somebody on,

从属连词，表示“既然”，说明一种新情况，在口语中可以省略that,。now that,

“及时，不迟”。“迟早，最后”。经过一段时间之后in time,

in time for,+名词或者in time to do, ，但in time,不能接for,+doing,。

她定了闹钟，以便及时醒来给两个儿子服药。She set the alarm so she'd wake up in time to give her two sons their medication,

突发，爆发break out,

逃脱，改掉break away,

（机器等）坏掉了，失败，垮了，中断break down,

突然停止，断绝，折断break off,

使心碎break one's heart,

摆脱，逃出break out of,

分成，分解break up into,

冲破break through,

与  断绝关系break up with,

 在海滨 by the seaside,

 在海边 on the coast,

 建起，搭起；张贴put up,

 商业区 business district,

 购物中心 shopping malls,

 四处走走 walk around,

 （价格等）上涨  go up,

挣钱make money,

 费力求生 fight to survive,

 偿还 pay back,

感到幸运做某事 feel fortunate doing something,

 feel fortunate in doing something,

feel fortunate to do something,

be fortunate doing something,

be fortunate in doing something,

be fortunate to do something,

 因某事烦扰某人 bother somebody with something,

bother somebody about something,

 特意做，不怕麻烦做某事，费心做某事（这是表示未做的事）bother to do something,

麻烦做某事 （这是表示已做的事）bother doing,

他们不会去做那些没有结果的事。They don't bother doing something that won't give them results,

她不愿花时间去了解最新消息。She didn't bother to keep up with the news,

一个人要是生活优渥，干嘛费那个劲去偷？Why bother to steal when you are already comfortable?,

 与  保持联系 stay in contact with,

 与  取得联系 make contact with,

 与  失去联系 lost contact with,

 有待于被  remain to be done,

 拿某物和某人换某物exchange something with somebody for something,

 买不起  ，支付不起   can't afford something,

 can't afford to do something,

 摆脱  ，离开 get away from,

我们上次见面已经六年了。It has been six years since we last saw each other,

It's six years since we last saw each other,

It +is,或者has been, +一段时间+since, +过去式( 短暂性动词 )  自从 至今已经多久了,

It +is,或者has been, +一段时间+since, +过去式 (延续性动词) 自从不做  至今已经多久了。若主句为was,则since, 从句中用过去完成时。

杰克不当老师已经三年了。It had been three years since Jack had been a teacher,

It was three years since Jack had been a teacher,

我已经二十年没见她了。It has been twenty years since I've seen her,

It's twenty years since I've seen her,

在 “It, +was,+ 一段时间 + before,从句”   句型中，若主句是一般过去式，从句也是一般过去式时：若主句是肯定句，翻译成“过了多长时间之后才 ” 若主句是否定形式，翻译成“没过多久就  ” 

 过了很久他们才找到他们的儿子。It was long before they found their son,

  没过多久这对夫妻就见面了。It was not long before the couple met again,

在 “It will be, + 一段时间 + before,从句”句型中，若主句是一般将来时，从句也是一般现在时：若主句是肯定句，翻译成“要过多长时间之后才 ”若主句是否定形式，翻译成“用不了多久就 ” 

半年后，我才回来。It will be half a year before I come back,

 我们不久就会见面。 It won't be long before we meet again,

这是我第一次访问你的家乡。This is the first time I've visited your hometown,

表示“这是某人第几次做某事”，常用This,或者It,+ is the +first,或者second,或者last,+time, that,  这个句型。That, 常省略, 主句用 is ,从句使用现在完成时,主句用was, 从句用过去完成时,

第一次 一般用作时间状语，  for the first time,

我第一次被邀请参加聚会。I was invited to the party for the first time,

第一次 的时候 the first time,

我第一次见到她时，立刻就喜欢上了她。The first time I saw her, I liked her at once,

一家不错的小海鲜餐馆。a nice little fish restaurant,

限定词（a,或者the,或者those）+ 描绘性形容词（beautiful,或者important) +大小、高低、长短、宽窄等形容词（big,或者long,或者high) + 表示形状的形容词（round）+ 表示颜色的形容词（red,或者green）+ 国籍，地区+物质材料 + 用途 + 名词 限观色国材，观指描绘大小形状

剪除;切掉;割掉cut out,

切碎;使伤心cut up,

切断;停掉;隔绝cut of,

插嘴cut in,

砍掉;消减cut down,

挖出dig up,

被困在(风、雨、雪 )中be caught in,

赶上;跟上 catch up with,

抓住,握住catch hold of,

看见catch sight of,

认识到，意识到walk up to,

扫除，清除，冲走，刮走sweep away,

吸入（空气）;欺骗;体会;收容take in,

分发;发出(气味、热气)；用尽give out,

带走take away,

 脱下,拿掉,起飞take off,

承担take on,

举起,开始做;占据take up,

放弃give up,

屈服;让步,投降give in,

送出;发出（光等）give off,

赠送;放弃;泄漏;出卖give away,

对 有影响 have an effect on,

电视对孩子的行为有影响吗？ Does television have an effect on children's behaviour?,

你的房子可能会影响你的身材。Your house may have an effect on your figure,

向 诉苦，发牢骚complain to somebody,

抱怨某事complain about something,

complain of something,

一个接一个one after another,

仔细检查look through,

成为 的一部分 be part of,

许多,大量masses of,

a mass of,

群众,平民the masses,

大体而论,总体上in the mass,

天气预报a weather forecast,

预言,预报give a forecast,

make a forecast,

解决问题;排忧解难;处理问题; solve problems,

如果可能if possible,

如果有的话if any,

如果需要的话if necessary,

如果是这样的话if so,

如果曾经有的话if ever,

不这样的话if not,

认真考虑think seriously about,

简而言之，一言以蔽之in a nutshell,

in a word,

in brief,

in short,

对 关心,担心,忧虑be concerned for,

be concerned about,

be concerned over,

与 有关be concerned with,

 be concerned in,

就某事而言as far as something is concerned,

 似乎，好像It appears that,

appear to,

他只有四十岁，但看起来很老。He is only forty , but appears to be quite old,

 这女孩好像已经知道了这件事。It appears to me that the girl appears to have known it,

 我觉得你们全错了。It appears to me that you are all mistaken,

着重指人的力气，物的强度。strength,

自然力量；暴力，势力；法律，道德，感情力量；军事力量等force,

主要指人的精力；自然界的能量energy,

用途最广，包括能力，功能；事物的力量；职权，权力或政权power,

当so, 或such, 置于句首时，主句要用倒装语序。

那男孩吓得不知所措。The boy was so frightened that he didn't know what to do,

So frightened was the boy that he didn't know what to do,

我完全同意你的意见。 I couldn't agree with you more,

再糟糕不过了。it couldn't be worse,

如果可能的话。if possible,

眼见为实。To see is to believe,

那等于说眼见不为实。That's as much as to say to see is not to believe,

学习很重要。It's important to learn ,

我的工作是帮助病人。 My job is to help the patient,

你的任务是打扫教室。Your task is to clean the classroom,

我想回家。I want to go home,