名詞 conjecture:

1. a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
   同義詞：speculation
2. a message expressing an opinion based on incomplete evidence
   同義詞：guess, supposition, surmise, surmisal, speculation, hypothesis
3. reasoning that involves the formation of conclusions from incomplete evidence

動(dòng)詞 conjecture:

1. to believe especially on uncertain or tentative grounds
   同義詞：speculate, theorize, theorise, hypothesize, hypothesise, hypothecate, suppose

1. The general conjectures that the enemy will launch an attack against us this night.
   將軍推測(cè)說(shuō)敵人將于今天晚上突襲我們。
2. He didn't know the fact; what he said was pure conjecture.
   他并不知道實(shí)情，他說(shuō)的純屬猜測(cè)。

con.jec.ture

n.（名詞）
Inference or judgment based on inconclusive or incomplete evidence; guesswork.
推測(cè)：基于非結(jié)論性的或不完全的證據(jù)作出的推論或判斷；猜測(cè)
A statement, an opinion, or a conclusion based on guesswork:
猜想：基于猜測(cè)的聲明、觀點(diǎn)或結(jié)論：
例句：
The commentators made various conjectures about the outcome of the next election.
時(shí)事評(píng)論家對(duì)下一次選舉結(jié)果做了許多推論

v.（動(dòng)詞）
con.jec.tured,con.jec.tur.ing,con.jec.tures
v.tr.（及物動(dòng)詞）
To infer from inconclusive evidence; guess.
猜測(cè)：根據(jù)非結(jié)論性的證據(jù)所作的推測(cè)；猜測(cè)
v.intr.（不及物動(dòng)詞）
To make a conjecture.
做出推測(cè)

來(lái)源：
Middle English
中古英語(yǔ)
from Old French
源自 古法語(yǔ)
from Latin coniectôra
源自 拉丁語(yǔ) coniectôra
from coniectus [past participle of] conicere [to infer]
源自 coniectus [] conicere的過(guò)去分詞 [推測(cè)]
com- [com-]
com- [前綴，表.和.]
iacere [to throw] * see yô-
iacere [投擲] *參見(jiàn) yô-

【引伸】
conjec.turable
adj.（形容詞）
conjec.turably
adv.（副詞）
conjec.turer
n.（名詞）
<參考詞匯><同義詞>conjecture,surmise,guess,speculate,inferThese verbs mean to reach a conclusion or judgment on the basis of uncertain evidence.
這些動(dòng)詞都表示基于不確定證據(jù)而作出結(jié)論或推斷。
Conjecture implies the formation of a conclusion without sufficient evidence:
Conjecture 沒(méi)有足夠的證據(jù)就作出結(jié)論：
例句：
It was impossible to conjecture from the expression on his face what his reaction was.
從他臉上的表情來(lái)猜測(cè)他的反應(yīng)是不可能的。

Surmise suggests a conclusion reached by intuition or by interpretation of slender evidence:
Surmise 暗指通過(guò)直覺(jué)或通過(guò)對(duì)少量證據(jù)的解釋而得出的結(jié)論：
例句：
He was afraid she might surmise the truth.
他擔(dān)心她可能會(huì)猜出真相。

Guess implies an inference drawn in a haphazard mannerand suggests substantial grounds for doubt:
Guess 指以假設(shè)的方式得出推論，暗示懷疑的實(shí)質(zhì)緣由：
例句：
We can only guess what will happen next.
我們只能猜測(cè)將會(huì)發(fā)生什么。

Speculate stresses a process of reasoning based on inconclusive evidence:
Speculate 強(qiáng)調(diào)基于非結(jié)論性證據(jù)作出的推理過(guò)程：
例句：
Scientists speculate on the origin of the universe.
科學(xué)家們猜測(cè)宇宙的起源。

Infer involves reasoning from evidence about which some doubt may be but is not necessarily suggested:
Infer 指基于一些可能有疑問(wèn)的證據(jù)而進(jìn)行的推理：
例句：
She quickly inferred from what I said that I had not heard the news.
她從我說(shuō)的話中很快推斷出我還沒(méi)有得知這一消息