
英:/'sɪns/ 美:/'sɪns/
自从…
初中,高中,CET4,CET6,考研
prep. 自……以后;(表示气愤)何曾
conj. 自……以来;因为
adv. 自……以后;此后;之前
n. (Since) (法、美)新斯(人名)
She hasn't been to school since Monday.
她从星期一起就没上学了。
The shop has been closed long since.
这家商店早就关门了。
I will not leave you since you are the one I love the most.
我不会离开你因为你是我最爱的人。
Since we've got a few minutes to wait for the train, let's have a cup of coffee.
既然等火车还需要几分钟 我们去喝杯咖啡吧
I've been very busy since I came back from holiday.
我自从度完假回来后就一直很忙
It's been 6 months since my brother graduated from college. He still hasn't found a job yet.
我弟弟大学毕业已经6个月了。但是他现在还没找到工作。
We have been out of water since yesterday.
从昨天起,我们就没水了。
The automobile companies have accumulated red ink since the US dollar rose.
汽车公司自美元升值以来逐渐出现赤字情况。
How long is it since you got married?
你结婚多久了?
They have been eating since 5pm.
他们从下午五点就开始吃了。
He has lived in Chicago since he was 2 years old.
他从两岁开始就住在芝加哥了。
I have been wanting to see that movie since it came out.
电影一上映我就一直想去看。
She has been working since she arrived.
她一到就工作到现在。
We've lived here since 1994.
自1994年以来我们一直住在这里。
I haven't binged since 1986.
我从1986年以来从未放纵过自己。
She's been off work since Tuesday.
星期二以来她一直没上班。
Polling has been heavy since 8 a.m.
从早上8点以来投票很踊跃。
ever since
adv. 从那时到现在
long since
很久以前;从前
since when
自什么时候起,打什么时候开始
conj.|because/for/seeing/when/now;因为;由于;既然;自…以来;自…以后
adv.|after/subsequently/later on;后来
“since”的详细解释
1. 介词(Preposition):表示时间起点
“since”用于指代某一具体时间点或事件作为起点,强调从过去持续到现在的动作或状态。
例:She has lived in Beijingsince 2010.(自2010年起,她一直住在北京。)
来源:牛津词典(Oxford Learner's Dictionaries)
2. 连词(Conjunction):引导时间或原因状语从句
例:He has worked heresince he graduated.(他毕业后一直在这里工作。)
例:Since you are busy, I’ll come back later.(既然你忙,我稍后再来。)
来源:剑桥词典(Cambridge Dictionary)
3. 副词(Adverb):表示“从那时起”
用于句尾或句中,强调动作从过去某一时间持续到说话时。
例:They met in 2005 and have been friends eversince.(他们2005年相识,此后一直是朋友。)
来源:柯林斯词典(Collins Dictionary)
4. 特殊用法与辨析
例:I haven’t seen hersince last week.(我上周之后就没见过她。)
来源:英语语法权威指南(British Council)
专业提示:学术写作中,“since”表原因时需谨慎使用,避免与时间含义混淆。建议优先使用“because”或“as”明确因果关系。
Since 是一个多功能英语词汇,主要用作介词、连词、副词,偶尔也可作名词。其核心含义围绕时间起点 和因果关系 展开,具体用法如下:
介词(prep.)
连词(conj.)
副词(adv.)
名词(n.)(罕见)
时态搭配
与 for 的区别
固定结构
词汇 | 核心差异 | 例句 |
---|---|---|
as | 侧重附带原因,语气较弱,常用于口语。 | As it’s raining, let’s stay home. |
because | 强调直接原因,回答“为什么”,语气最强。 | He left because he was angry. |
for | 表推断性原因,多用于书面语,置于主句后。 | She must be tired, for she worked all day. |
Since 是一个兼具时间与因果逻辑的词汇,其灵活性和高频使用使其成为英语核心词汇之一。掌握时态搭配、近义词区分及跨领域用法,可显著提升语言表达的准确性与丰富性。
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