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单词 since
释义

since

preposition
 
/sɪns/
/sɪns/
  1.  
     (used with the present perfect or past perfect tense) from a time in the past until a later past time, or until now自…以后；从…以来
    • She's been off work since Tuesday.星期二以来她一直没上班。
    • We've lived here since 2006.从 2006 年开始我们便住在这里。
    • I haven't eaten since breakfast.早饭以后我还没吃过东西呢。
    • He's been working in a bank since leaving school.他中学毕业以后一直在一家银行工作。
    • Since the party she had only spoken to him once.那次聚会以后，她只和他说过一次话。
    • ‘They've split up.’ ‘Since when?’“他们分手了。”“什么时候的事儿？”
    • That was years ago. I've changed jobs since then.那是多年以前的事了。自那以来我已经换过几个工作了。
    Use for, not since, with a period of time: I've been learning English for five years. • I’ve been learning English since five years. Topics Timea2
  2. since when? used when you are showing that you are angry about something（表示气愤）何曾，什么时候
    • Since when did he ever listen to me?他什么时候听过我的话？
    3. Word Originlate Middle English: contraction of obsolete sithence, or from dialect sin (both from dialect sithen ‘thereupon, afterwards, ever since’).

since

conjunction
 
/sɪns/
/sɪns/
  1.  
     (used with the present perfect, past perfect or simple present tense in the main clause) from an event in the past until a later past event, or until now从…以后；自…以来
    • Cath hasn't phoned since she went to Berlin.卡思自从去了柏林还没有打来过电话。
    • It was the first time I'd had visitors since I'd moved to London.那是我搬到伦敦以后第一次有人来看我。
    • It's twenty years since I've seen her.我已经二十年没见她了。
    • How long is it since we last went to the theatre?我们多久没去看戏了？
    • She had been worrying ever since the letter arrived.自从接到那封信后她就一直焦虑不安。
    Topics Timea2
  2.  
     because; as因为；由于；既然
    • We thought that, since we were in the area, we'd stop by and see them.我们想，既然到了这个地方，就该顺便去看看他们。
    3. Word Originlate Middle English: contraction of obsolete sithence, or from dialect sin (both from dialect sithen ‘thereupon, afterwards, ever since’).

since

adverb
 
/sɪns/
/sɪns/
used with the present perfect or past perfect tense
  1.  
     from a time in the past until a later past time, or until now自…以后；从…以来
    • She went for a run on Monday and has not been seen since. 她周一去跑步了，然后就再也没人看见过她。
    • She moved to Pakistan in 1997 and has been living in Lahore ever since.她 1997 年搬到了巴基斯坦，此后一直住在拉合尔。
    • He left home two weeks ago and we haven't heard from him since.他两周前离家外出，我们至今还没有他的音信。
    • The health of the British people was better at the end of the Second World War than at any time before or since.二战结束时英国人的健康状况比之前及之后都好。
    • The original building has long since (= long before now) been demolished.原来的建筑老早就拆了。
  2.  
     at a time after a particular time in the past此后；后来
    • The song topped the charts in 1957 and has since become a rock and roll classic.这首歌在 1957 年登顶流行音乐排行榜，从此成为摇滚乐经典。
    • We were divorced two years ago and she has since remarried.我们两年前离了婚，之后她又再婚了。
    3. Word Originlate Middle English: contraction of obsolete sithence, or from dialect sin (both from dialect sithen ‘thereupon, afterwards, ever since’).
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更新时间：2025/8/8 3:42:08