您要查找的是不是：
- To speculate or gamble extravagantly. 冒险，投机无节制地投机或赌博
- To speculate in a philosophical manner. 以哲学家的方式推究
- To speculate on this question is a gain. 对这个问题进行思索就是一个收获。
- Nobody wants you to speculate recklessly. 不顾死活去冒险，谁也不愿意；
- He likes to speculate on the stock market. 他喜欢炒股。
- 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。
- Even to speculate on it is a gain. 即使思索一下也会得益非浅。
- He began to speculate about the future. 他开始思索未来。
- It is dangerous to speculate in gold mines. 做金矿的投机买卖是很危险的。
- It is vain now to speculate about the reasons for this. 现在推测其缘由毫无用处。
- John refused to speculate about the content of the letter. 约翰拒绝猜测信的内容。
- It's difficult to speculate about the result of the election now. 现在推测选举结果不容易。
- I wouldn't like to speculate how much that car must have cost him. 我不想猜想他花了多少钱买那辆车。
- Then. quite naturally, he began to speculate whence it came. 很自然地，他开始想，它们是哪儿来的呢?
- It's tempting to speculate about what might have happened. 大家不禁猜测，到底发生了什么事。
- I wouldn't like to speculate on the reasons for her resignation. 我不愿意猜测她辞职的原因.
- We don't need to speculate about the possible winner in the game. 我们不必去想谁可能是这场比赛的赢家。
- He declined to speculate about the future of the company. 他拒绝预测公司的未来。
- I wo n't even begin to speculate about all the possible risks. 我甚至还没开始思考所有可能的风险。
- About such matters it is useless to speculate, what we need is exact knowledge. 对这样的事情作猜测是无用的，我们要的是确切的了解。
