谁知道however,but,though ,although,while ,as ,since,for,的区别

谁知道however,but,though ,although,while ,as ,since,for,的区别
关键是都有什么汉语意思,例如尽管啦,特别是一个词有好几个意思,

however连接词 conj.
1. 然而,可是,不过
I feel a bit tired. However, I can hold on.
我有点累了,但我能坚持下去.
副词 ad.
1. 无论如何,不管怎样
However hot it is, he will not take off his coat.
无论多热,他也不会脱掉外衣. 2. 不管用什么方法
However he tries, he never seems able to work satisfactorily.
不管他怎么努力,他好像总不能令人满意地工作. 3. 究竟怎样,到底如何
However did you know that?
but连接词 conj.
1. 但是
It is hot in summer here, but it is not cold in winter.
这里夏天热,但冬天不冷. 2. (通常用not...but...)而是
Our purpose is not to do it for you but to teach you to do it by yourself.
我们的目的不是替你做这事,而是教会你自己来做. 3. 可是,然而
She looks very young, but she is already in her 30's.
她看上去很年轻,可是她已三十多岁了. 4. (表示惊讶、不同意等)喔,哇
Heavens, but it snows.
天哪,真的下雪了. 5. (用来加强语句重复部分的语气)一定
We will be here on time. But on time.
我们将准时到达这里,一定准时. 6. (用来引入新话题)那就
But now to the last question.
现在就来谈最后一个问题吧. 7. (常用于否定句)而不;若不
But that I saw it, I wouldn't have believed it.
若不是亲眼目睹,我还不会相信呢.
It's not so high but we can jump it.
它并非高到我们跳不过去的地步. 8. (用于含doubt,question等字的否定句中,相当于that)对于
There is no doubt but he won.
对于他获胜这一点没有疑问.
介词 prep.
1. (用于nothing,nobody,who,all等词后面)除...以外
No one saw it but me.
除了我没有人看到.
Dick seldom talks of anything but music.
迪克很少谈及音乐以外的事情.
副词 ad.
1. 只,仅仅,才
It took her but a few days to learn it.
只不过几天时间她就学会了. 2. 【美】【俚】(用来加强语气)肯定地,绝对地
Go there but fast!
赶快到那儿去!
代词 pron.
1. (关系代词,相当于who...not,which...not)没有...不
Not a man but felt it.
没有人不感觉到它.
名词 n.
1. 用"但是"来表示反对;异议[C]
Not so many buts, please.
请别老是反对个没完.
though 连接词 conj.
1. 虽然;尽管
Though he is rich, his life is not happy.
他虽然很有钱,但生活并不幸福.
副词 ad.
1. (一般放在句尾)然而,还是
It was a hard job, he took it though.
这是份苦差事,可他还是接受了.
although连接词 conj.
1. 虽然;尽管
Although he was ill, he worked hard.
他虽然生病,但仍努力工作. 2. 然而
I did not know that then, although I learned it later.
当时我不知道那件事,但我后来知道了. while 名词 n.
1. 一会儿,一段时间[S]
I'll be back in a while.
我一会儿就回来.
连接词 conj.
1. 当...的时候,和...同时
She listened closely while he read the letter.
他读信时,她听得很仔细.
I'll take care of your children while you are away.
你不在时我会照顾你的孩子的.
We must strike while the iron is hot.
我们必须趁热打铁. 2. 而,然而
I like tea while she likes coffee.
我喜欢喝茶,而她喜欢喝咖啡. 3. 虽然,尽管
While I like the color of the hat, I do not like its shape.
虽然我喜欢这顶帽子的颜色,但我不喜欢它的形状. 4. 只要
及物动词 vt.
1. 消磨(时光),轻松地度过[(+away)]
He whiled away the whole afternoon watching TV.
他看电视消磨了一个下午. as 副词 ad.
1. 跟...一样地,同样地
Sam is as rich as Alexander.
山姆像亚历山大一样富有. 2. 如同;例如
Such animals as foxes and squirrels have bushy tails.
有些动物,如狐和松鼠,有蓬松的尾巴.
介词 prep.
1. 作为,以...的身份
She works as an interpreter in that company.
她在该公司里担任翻译员. 2. 当作
She didn't think much of him as a painter.
她对他作为一位画家评价不高. 3. 像;如同
The old woman was dressed as a young lady.
这位老妇人打扮得像一位年轻人.
连接词 conj.
1. 像...一样;依照;像
You ought to do as Paul tells you.
你应按照保罗吩咐的做.
The work is not so difficult as you imagine.
这工作不像你想像的那么困难. 2. 当...时
As she left the room she remembered that book.
她离开房间时想起了那本书. 3. 随着
As the sun rose the fog dispersed.
太阳一出来,雾随之消失. 4. 因为
We didn't know what to do as we were just visiting there.
我们不知道该怎么办,因为当时我们仅仅在那里作访问. 5. 虽然
Tired as he was, he sat up late.
他虽然疲倦,可仍然很晚才睡.
代词 pron.
1. (与such,the same,as等连用,引导关系从句)与...相同的事物(或人)
He has earned as much money as I have.
他赚的钱和我赚的一样多.
She felt just the same as he did.
她和他的感受相同.
There is a general rise in prices such as occurred in the late 60's.
物价普遍上涨,跟六十年代末一样. 2. (引导从句,对前述内容作补充)本情况,该事实
She has married again, as was expected.
她已再婚,这是意料中的事.
We are tired, as anyone can see.
我们累了,这是有目共睹的.
since副词 ad. (常用于现在完成时或过去完成时)
1. 此后;从那时到现在
She left school three years ago and has worked as a nurse ever since.
她三年前毕业,从那时起便一直当护士. 2. 之前,以前
介词 prep.
1. (常用于现在完成时或过去完成时)自...以来,从...至今
I haven't heard from him since last year.
我自去年以来未曾收到过他的信.
连接词 conj.
1. (常用于现在完成时或过去完成时)自...以来,从...至今
It's been ten years since they married.
他们结婚到现在已经十年了.
She has been living a hard life since her husband died.
她自从丈夫死后,一直过着艰苦的生活. 2. 既然;因为,由于
He must have taken the book since it isn't here.
他一定是把书拿走了,因为书已不在这里了.
Since it is so hot, let's go swimming.
既然天气这么热,我们去游泳吧. for介词 prep.
1. 为,为了
They fought for national independence.
他们为民族独立而战.
This letter is for you.
这是你的信. 2. 代替;代表
We used boxes for chairs.
我们用箱子当椅子坐. 3. 因为,由于
I am sorry for what I said to you.
我后悔不该对你讲那些话. 4. 在(指定时间)
The meeting is arranged for 9 o'clock.
会议安排在九点钟. 5. (表示时间、距离等)达,计
You can see for miles from the roof.
你站在屋顶上可以看到数英里之外. 6. 对于,关于;在...方面
I am too old for the job.
我年纪太大,做不了这工作. 7. 为得到,为赢得
He sent the waiter for a packet of cigarettes.
他让侍者去拿一盒香烟. 8. 以...为代价;以...交换
He sold his car for 500 dollars.
他以五百元把车卖了. 9. 当作,作为
Do you take me for a millionaire?
你是不是把我当百万富翁? 10. 赞成;支持;倾向于
Are you for the government or against it?
你是支持还是反对政府? 11. 朝...方向去;往,向
He left for Taipei.
他出发去台北. 12. 就...而言
She is sophisticated for her age.
就年龄而言她是世故了一点.
连接词 conj.
1. 因为,由于
We must start early, for it will take two hours to drive to the airport.
我们得早点动身,因为开车去机场得花两个小时.
f.o.r.
缩写词 abbr.
1. =free on rail 火车上交货价(价格包括从供应商货场/仓库到车站的运费,买主支付铁路费用)
for-
前缀 pref.
1. 表示"禁止";"克制";"无视";"过度";"离";"分"