adv.
- 比较级： more previously
- 最高级： most previously
-
Guyana's railways were previously owned by private companies...
圭亚那的铁路以前是归私有企业所有的。
-
The contract was awarded to a previously unknown company...
合同签给了一个之前并不知名的公司。
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Previously she had very little time to work in her own garden.
以前，她没什么时间打理自己的花园。
-
He had first entered the House 12 years previously...
12年前，他首次成为议员。
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She had rented the flat from the council some fourteen months previously.
大约14个月以前，她从地方政府那里租下了这套公寓。
If you are talking about a period measured back from some earlier time, you use before or previously. He had died a month before…She had rented the flat some fourteen months previously. You only use ago when you are talking about a period of time measured back from the present. You use for to say how long a period lasts in the past, present, or future, or how much time passes without something happening. She slept for eight hours… He will be away for three weeks… I hadn't seen him for four years. You use since to say when a period of time started. She has been with the group since it began. …the first civilian president since the coup 17 years ago. You also use since to refer to the last time that something happened, or to how much time passes without something happening. She hadn't eaten since breakfast… It was a long time since she had been to church.
如果谈论过去某个时间以前的时间，用 before 或者 previously：He had died a month before（他一个月前去世了），She had rented the flat some fourteen months previously（她大约14个月以前租下了这套公寓）。ago仅用于谈论现在之前的某段时间。for用来表示过去、现在或将来持续的一段时间或者某事多长时间没有发生，如：She slept for eight hours（她睡了8个小时），He will be away for three weeks（他会离开3个星期），I hadn't seen him for four years（我已经有4年没有见过他了）。since用来表示某段时间的开始，如：She has been with the group since it began（自从该集团创立起她就一直在其中工作），the first civilian president since the coup 17 years ago（自从17年前发生政变以来的第一位平民总统），since也可以用来某事最后一次发生的时间或者某事多长时间没有发生，如：She hadn't eaten since breakfast（她早餐以后就没吃过东西），It was a long time since she had been to church（她好久没去过教堂了）。
- Adverb
-
1. at an earlier time or formerly;
- "she had previously lived in Chicago"
- "he was previously president of a bank"
- "better than anything previously proposed"
- "a previously unquestioned attitude"
- "antecedently arranged"
- synonym： antecedently
- 1. A number of trades,previously thought of as lowly ones,began to receive more attention.
- 从前被人们视为卑贱的一些职业现在开始受到更多的重视。
来自《简明英汉词典》
- 2. Let me digress for a moment and explain what had happened previously.
- 让我岔开一会儿，解释原先发生了什么。
来自《简明英汉词典》
- 3. Our previously opposed views are beginning to converge.
- 我们原来相互对立的观点开始趋于一致。
来自《简明英汉词典》
- 4. Previously our mountain area [region] is poor and impoverised.
- 先前咱们山区很穷。
来自《现代汉英综合大词典》
- 5. The bicycle tyre blew out at a previously damaged point.
- 自行车胎在以前损坏过的地方又爆开了。
来自《简明英汉词典》
- 6. The previously free (= not paid for) distribution of text books will now be confined to students who are needy.
- 以前免费发放课本，现在只给贫困学生。
来自《简明英汉词典》
- 7. The previously unidentified objects have now been definitely ascertained as being satellites.
- 原来所说的不明飞行物现在已证实是卫星。
来自《简明英汉词典》
- 8. They used strings previously treated with powdered glass.
- 他们使用了事前用玻璃粉末处理过的绳子。
来自《简明英汉词典》
