5. Guess (2)

10) Americans wonder what has become of the idealism of the last decade.

美国人的理想主义，不知道在这十年间变得怎样了。

11) Archeologists still can only surmise¹ as to the origin of Man.

考古学家们对于人类的起源依然无法推测。

surmise 是 guess 的形式上表达。

12) Without all the facts, Helen could only conjecture² a solution.

由于事实还没有全部完备，海伦只能臆测解决的方法。

conjecture 是指没有十足根据的推测。

13) Can Paul really suspect their stories are lies?

保罗真的在怀疑他们的故事是编造的吗？

suspect 是指毫无证据地怀疑对方。

14) They are curious about what I've done with my time.

他们希望知道我一个人在做什么。

curious 和 eager to know 同样意义（渴望知道）。

15) His parents anticipate Gary's return home will be soon.

凯利的双亲认为他不久就会回家。

anticipate 一词是指 look forward to.

16) I imagine you are tried after your trip.

我想你旅行回来一定疲惫不堪吧。

17) Please try to estimate the extent of the damage.

请估计一下（受）损害的程度吧。

18) With only a few facts, Holmes could hypothesize the explanation.

仅凭少许的事实，福尔摩斯就能推理该事件了。

hypothesize 是指建立假设。