He did not speculate on the future of his tenuous career.

他没有考虑到自己不稳定的职业前景。

This has led scientists to speculate on the existence of other galaxies.

这就使得科学家推测还有其他星系存在。

He refused to speculate on the possible effects on relations between the two governments.

他拒绝猜测这对两国政府关系可能产生的影响。

Well, at present we won't speculate on hypotheticals.

嗯，目前我们不想去推测那些假想的东西。

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。

This is an occasion that makes a man speculate on all he has lost.

现在倒是我估计一下自己所失去的一切的时候了.

It is interesting to speculate on some of the reasons 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.

Its occupation was to speculate on Laetitia Dale's modest enthusiasm for rural pleasures.

她还强迫自己接受利蒂霞·戴尔对农村的恰如其分的依恋感情.

I allowed myself to speculate on the subject, and drew up some short notes.

我专心思考这个问题, 作出了一些简短的札记.

Cast a wide net as you speculate on causes.

在推测原因时思路要开阔.

Even to speculate on it is a gain.

即使思索一下也是一种收获.

One can only speculate on its timing.

这使人不得不质疑陈氏这场赌搏的选时问题.

Scientists speculate on the origin of the universe.

科学家们猜测宇宙的起源.

He speculate on a rise.

他在上涨时投机炒作.

He wouldn't speculate on whether the president is obligated to get another gift.

但他不确定布什会不会再送上一份大礼.

It is avoided to speculate on large, global theories that go beyond the facts.

这个方法躲避产生大的全局性的超脱于观察依据的理论.

Mr Woo said he would not speculate on whether Mr Li's remarks were aimed at him.

吴光正表示不会揣测李嘉诚的言论是否针对他.

It is too earlyand too little is known, to speculate on Bird's motives.

目前我们所知甚少, 要猜测伯德的杀人动机还为时尚早.