One can only speculate on its timing.

Even to speculate on it is a gain.

即使思索一下也是一种收获.

Cast a wide net as you speculate on causes.

在推测原因时思路要开阔.

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.

He speculate on a rise.

他在上涨时投机炒作.

Scientists speculate on the origin of the universe.

科学家们猜测宇宙的起源.

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.

He speculated in foreign exchange and lost a lot of money.

他做外汇投机而赔了许多钱.

She often speculated as to what sort of man she would marry.

她常常在想将来自己会跟什么样的人结婚.

He speculated that he would succeed.

他推测他将成功.

But today many bloggers speculated that the decision reflected public pressure.

但是今天许多博客作者猜测这项决定反映了公众的压力.

Some experts have speculated that sleep may be an evolutionary mechanism to conserve energy.

一些科学家猜测,睡眠可能是保存能量的一种转化机制.

Philosophers have speculated on the question of god for thousands of years.

哲学家思考上帝的问题已经有好几千年了.

People have speculated about human cognition for 2000 years.

人们对人类的认知力已思索了2000年.

Man has always speculated upon the origin of universe, including himself.

人类始终在思索宇宙, 包括人类自身的起源.

He speculated on the passage of time.

他遐想着时光的飞逝.

She speculated about her friend's motives.

她猜测她朋友的动机.

Mr Kohut speculates that the real problem lies in who picks up the phone.

他认为真正的原因是接受电话民调的人群不同.