since
adverb uk/sɪns/ us/sɪns/
B2 此后，从此
from a particular time in the past until a later time, or until now
Emma went to work in New York a year ago, and we haven't seen her since. 埃玛一年前去纽约工作了，自那时起我们就没有见过她。
He started working for the company in 1995, and has been there ever since (= and is still there). 他1995年就开始为那家公司工作，在此之后就一直在那里。
I've long since (= long ago) forgotten any Latin I ever learned. 我早就把我学过的那点拉丁语忘光了。
- More examples
- Hostilities between the two groups have been in abeyance since last June.
- Roz has adopted one or two funny mannerisms since she's been away.
- I've been chewing the problem over since last week.
- Their movements have been severely circumscribed since the laws came into effect.
- Your piano playing has really come on since I last heard you play.
since
preposition uk/sɪns/ us/sɪns/
A2 自从…;从…以来
from a particular time in the past until a later time, or until now
He hasn't won a game since last year. 他自去年起就再没有赢过比赛。
It was the hottest October since records began. 这是有史以来最热的十月。
since
conjunction uk/sɪns/ us/sɪns/
(BECAUSE)
B1 因为;既然
because; as
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。
- More examples
- I'm afraid I'm not a very good advertisement for the diet since I've actually put on weight!
- She stands a good chance, since only two people are contesting the seat and the other candidate is very unpopular.
- I can testify to the foregoing since I was actually present when it happened.
- There's no point hypothesizing about how the accident happened, since we'll never really know.
- I presume that they're not coming, since they haven't replied to the invitation.
(TIME)
B1 自从…;从…以来
from a particular time in the past until a later time, or until now
I've been very busy since I came back from holiday. 我度完假回来后就一直很忙。