since

sincesinceD.J.:[sins]K.K.:[sɪns]prep.1.■(表示时间)从…以来; 自从…之后I have lived here since January.自一月份以来, 我一直住在这里。He had seen her only once since the meeting.自从那次会议以来, 他只见过她一次。He's been working in a bank since leaving school.自从毕业后, 他就一直在一家银行工作。I have not seen him since then.从那以后我再也没见过他。adv.1.■从过去某时间以来[以后, 到现在]He disappeared many years since.他多年以前就不知去向。Her husband died 10 years ago but she has since remarried.她丈夫于十年前去世, 但她后来又嫁人了。I've long since forgotten what our quarrel was about.我早就忘掉我们为什么吵架了。It was not long since that I returned.我是在不久前回来的。He came to London 3 years ago and has lived here ever since.他三年前来到伦敦, 此后就一直住在这里。conj.1.■自从(过去某事)以来[以后, 到现在]Since I left college, I have not seen him.自从我离开大学以后, 就没有见过他了。They have never been to see me since I was ill.自从我生病之后, 他们一直没来看过我。Since I have owned a bicycle, I have gone to school by it every day.自从我有了一辆自行车后, 我每天骑车上学。I have known him ever since I was a child.我自孩提时代起就已经认识他了。It is ten years since she left me.自从她离开我已经十年了。It is five years since he left here.他离开这儿已有五年了。It is three years since I have seen him.我已经三年没见到他了。It was four months since we had been here.我们已经有四个月没来这了。His health is much improved since he gave up smoking.他自戒烟以来, 健康状况大大改善了。I met him last week.Since we left school, we had often written to each other.上周我遇见了他。自从我们离开学校后, 我们曾经常互相写信。The man has been drinking beer ever since the party started.晚会开始以来, 那个男人就一个劲儿地喝啤酒。She has been collecting stamps since she was a child.她从小起就一直在集邮。2.■因为; 既然; 由于Since it is late I shall go home now.由于时间晚了, 我现在要回家了。Since you are so sure of it he'll believe you.既然你对此这么有把握, 他会相信你的。

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since[sins]adv.1.■此后，自那以后；后来2.■之前，以前prep.1.■从…至今：There have been many changes since the war.从战争到现在发生了许多变化。2.■自从…，自…算来，自…以来：It has been raining since morning.从早晨到现在一直在下雨。conj.1.■以后，在…以后的时间里：She has rung me once since she left.她离家后给我来过一次电话。2.■[常前接 ever] 自…以来，自…至今：I've been busy ever since I came back.自我回来后一直在忙。3.■因为；既然：Since this is so,it's better to accept it.既来之，则安之。ever since自…以来；一直到今long since很久以前，早已since when自什么时候起，打什么时候开始

sincesince[sins]prep.1.■自... 以来, ...以后since liberation解放以来

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词性变化since[sins]conj.1.■从...以来; ...以后2.■因为; 既然; 鉴于We have both changed since we parted.分别以来我们彼此都变了。It was three years since we had been there.我们在那儿已呆了三年。S-that is so, there is no more to be said.既然如此, 再没什么可说的了。since[sins]adv.1.■[和完成时连用](=since then)以后, 后来, 以来2.■以前(=ago)I have not seen him since.(那时)以后我没见到过他。It is two years since (we parted). (=We parted two years since [ago]). 我们是在两年以前分别的。 At first he refused but sincehas accepted.他最初拒绝, 但后来接受了。