新东方-柯林斯雅思备考词典

since

英 [sɪns]

[ADV, CONJ, PREP]

词汇频率：

ADV. 副词

1. 自那时起
You use since when you are mentioning a time or event in the past and indicating that a situation has continued from then until now.
双语例句
例：
They worked together in the 1960s, and have kept in contact ever since.
他们在20世纪60年代曾一起工作，自那时起就一直保持着联系。
2. 此后 , 后来
When you are talking about an event or situation in the past, you use since to indicate that another event happened at some point later in time.
双语例句
例：
About six thousand people were arrested, several hundred of whom have since been released.
约六千人被逮捕，不过他们中有几百人后来被释放了。

CONJ. 连词

1. 自…以来
You use since when you are mentioning a time or event in the past and indicating that a situation has continued from then until now.
双语例句
例：
I've earned my own living since I was seven, doing all kinds of jobs.
我自从7岁就自谋生路，做各种各样的工作。
2. 自…以来
When you are talking about an event or situation in the past, you use since to indicate that another event happened after that event or situation.
双语例句
例：
So much has changed in the sport since I was a teenager.
自我十几岁以来，该项运动发生了很大变化。
例：
Since I have become a mother, the sound of children's voices has lost its charm.
我当了母亲之后，孩子的声音就不那么动听了。
3. 由于 , 既然
You use since to introduce reasons or explanations.
近义词
as
双语例句
例：
I'm forever on a diet, since I put on weight easily.
我一直在节食，因为我很容易长胖。

PREP. 介词

1. 自…以来 , 从…以后
You use since when you are mentioning a time or event in the past and indicating that a situation has continued from then until now.
双语例句
例：
He's been in exile in India since 1959.
从1959年开始他一直流亡印度。
例：
She had a sort of breakdown some years ago, and since then she has been very shy.
她几年前一度精神崩溃，从那以后她一直怯生生的。
2. 自…以来
You use since to mention a time or event in the past when you are describing an event or situation that has happened after that time.
双语例句
例：
The percentage increase in reported crime this year is the highest since the war.
今年报道的犯罪增长率是战后最高的。

新东方在线雅思考试热词