1·It's always hard to speculate about the future.
推测未来总是很难的。
—— 《柯林斯英汉双解大词典》
2·It's tempting to speculate about what might have happened.
大家不禁猜测，到底发生了什么事。
—— 《牛津词典》
3·People speculate about virtuality systems, but we're already working on it.
人们对虚拟系统尚存疑虑，而我们已经在开发了。
—— 《柯林斯英汉双解大词典》
4·It is premature to speculate about the resumption of negotiations.
考虑谈判的恢复还太早。
—— 《柯林斯英汉双解大词典》
5·Critics of the project speculate about how many hospitals could be built instead.
该项目的批评者们则猜想这相当于可以建多少家医院。
—— 《柯林斯英汉双解大词典》
6·State and defend your opinion, analyze the issues, speculate about how things might have turned out differently.
陈述并捍卫你的观点，分析问题，思考事情可能会有怎样的不同结果。
7·She speculate about her friend's motives.
她猜测她朋友的动机。
8·We should speculate about the purpose of life.
我们应该想想人生的目的。
9·John refused to speculate about the content of the letter.
约翰拒绝猜测信的内容。
10·I won'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。