speculate

verb

1. 推测；猜测；推断
   to form an opinion about sth without knowing all the details or facts
   1. We all speculated about the reasons for her resignation.
      我们大家都推测过她辞职的原因。
   2. It is useless to speculate why he did it.
      对他为什么这么做妄加猜测毫无用处。
   3. We can speculate that the stone circles were used in some sort of pagan ceremony.
      我们可以推测，这些石头排成的圆圈是用于某种异教崇拜仪式的。
2. 投机；做投机买卖
   to buy goods, property, shares, etc., hoping to make a profit when you sell them, but with the risk of losing money
   1. He likes to speculate on the stock market.
      他喜欢炒股。

1. VERB 推测;猜测;猜想
   If you speculate about something, you make guesses about its nature or identity, or about what might happen.
   1. Critics of the project speculate about how many hospitals could be built instead...
      对该项目持批评态度的人在推测如果改作他用不知可以建多少所医院。
   2. It would be unfair to Debby's family to speculate on the reasons for her suicide...
      猜测黛比自杀的原因对她的家人来说是不公平的。
   3. The doctors speculate that he died of a cerebral haemorrhage caused by a blow on the head...
      医生推测他死于头部受击引起的脑溢血。
   4. The reader can speculate what will happen next.
      读者可以推测下一步会发生什么事。
2. VERB 投机;做投机买卖
   If someone speculates financially, they buy property, stocks, or shares, in the hope of being able to sell them again at a higher price and make a profit.
   1. Big farmers are moving in, not in order to farm, but in order to speculate with rising land prices...
      大农场主正在不断涌进来，不是为了耕作，而是要利用不断上涨的地价进行投机。
   2. The banks made too many risky loans which now can't be repaid, and they speculated in property whose value has now dropped.
      各银行贷出去太多高风险贷款，目前无法收回，他们还进行地产投机，而地产的价值目前已经下跌了。

1. Critics of the project speculate about how many hospitals could be built instead
   对该项目持批评态度的人在推测如果改作他用不知可以建多少所医院。
2. It would be unfair to Debby's family to speculate on the reasons for her suicide
   猜测黛比自杀的原因对她的家人来说是不公平的。
3. The doctors speculate that he died of a cerebral haemorrhage caused by a blow on the head
   医生推测他死于头部受击引起的脑溢血。
4. The reader can speculate what will happen next.
   读者可以推测下一步会发生什么事。
5. Big farmers are moving in, not in order to farm, but in order to speculate with rising land prices
   大农场主正在不断涌进来，不是为了耕作，而是要利用不断上涨的地价进行投机。
6. The banks made too many risky loans which now can't be repaid, and they speculated in property whose value has now dropped.
   各银行贷出去太多高风险贷款，目前无法收回，他们还进行地产投机，而地产的价值目前已经下跌了。
7. It's always hard to speculate about the future
   未来一向很难预测。
8. Regrettably they did not seriously speculate what was the definition of time and what was the essence of time.
   可惜的是他们的注意力是在物上，而并没有认真思考时间的定义和解释时间的本质。
9. It is interesting to speculate which side will win; but we will not know the result for months.
   猜测哪方会胜诉很有意思；但在近几个月内我们不会知道结果。
10. It is interesting to speculate on some of the reason for this kind of bad thinking.
    推测一下形成这类不良思维方式的一些原因是很有趣的。
11. We can only speculate on the reasons for his sudden resignation.
    我们只能猜测他突然辞职的原因。
12. Well, you know, I won't speculate.
    嗯，你知道，我不会推测。
13. The company declined to speculate on how much asset sales have raised so far.
    AIG拒绝推测迄今已通过资产出售筹集了多少资金。
14. Taking a position in the index allows traders to hedge or speculate.
    在这一指数中持有头寸为交易员提供了对冲或者投机的机会。
15. One can either hedge or speculate in the spot market for foreign exchange.
    人们可以在即期外汇市场上进行套期保值或投机。
16. At the moment all we can do is speculate about the future of the firm-nothing is definite.
    此时此刻我们所能做的不过是对公司的未来进行推测&没有什么东西是确定的。
17. He said that an investigation is underway and declined to speculate on the motives.
    他说调查已经展开而且排除了对事故动机的猜测。
18. Other engineers and product developers were left to speculate.
    没有参会的工程师和产品开发者心中都充满了疑虑。
19. Some sources speculate that China may be license producing the type.
    还有一些消息来源推测中国可能得到了该型号的生产授权。
20. Here the researchers must speculate a little.
    这里研究者肯定要做一些推测。
21. You must be able to laugh, whisper and speculate together.
    你得会和别人一起哈哈大笑、窃窃私语以及臆度揣测。
22. A totally female world would probably be a better place to live, I speculate.
    我推测，一个完全的女性世界很可能是一个更好的居住地。
23. They speculate, however, that antioxidants present in chocolate may have a health benefit.
    然而，他们推测，巧克力中的抗氧化物可能对健康有益。
24. Given this near total lack of knowledge, we cannot even begin to speculate about this world.
    鉴于这种几乎完全缺乏知识，我们甚至不能开始猜测，对这个世界。
25. But you have to speculate to accumulate.
    但是你不得不通过推测来积累。
26. I think penguins might as well speculate about nuclear physics.
    我认为企鹅还研究核物理学呢。
27. With the information we have now, we can only speculate blindly.
    以我们现在所有的情报，我们只能盲目地推测。
28. To speculate on this question is a gain.
    对这个问题进行思索就是一个收获。
29. This [ the filtering process] differentiates people who want the house from those looking to speculate.
    这种筛选过程把真正想要房子的人和谋求投机的人区分了开来。
30. We will do whatever we can to reduce the opportunities to speculate in the stock and futures markets.
    我们将尽一切力量，减少投机者在证券和期货市场兴波作浪的机会。

verb

1. reflect deeply on a subject
   1. I mulled over the events of the afternoon
   2. philosophers have speculated on the question of God for thousands of years
   3. The scientist must stop to observe and start to excogitate

   Synonym:    chew overthink overmeditateponderexcogitatecontemplatemusereflectmullmull overruminate

2. to believe especially on uncertain or tentative grounds
   1. Scientists supposed that large dinosaurs lived in swamps

   Synonym:    theorizetheoriseconjecturehypothesizehypothesisehypothecatesuppose

3. talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion
   1. We were speculating whether the President had to resign after the scandal

4. invest at a risk
   1. I bought this house not because I want to live in it but to sell it later at a good price, so I am speculating

   Synonym:    job