音标：['spekjuleit]
vi. 深思, 推测, 投机
【经】 投机
在线英汉词典

speculate的短语、例句：

speculate v 1 [I, Ipr, Tf] ~ (about/on/upon sth) form opinions without having definite or complete knowledge or evidence; guess 思考; 思索; 推断; 推测
speculate about/upon the future 对未来的推想
I wouldn´t like to speculate on the reasons for her resignation. 我不愿意猜测她辞职的原因.
I can only speculate that he left willingly. 我看他一定是自愿走的. 2 [I, Ipr] ~ (in sth) buy and sell goods or stocks and shares in the hope of making a profit through changes in their value, but with the risk of losing money 投机; 做投机买卖
speculate in oil shares 做石油股票的投机买卖
speculating on the stock market 进行证券投机.