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.
   將軍推測說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，他說的純屬猜測。

con.jec.ture

n.（名詞）
Inference or judgment based on inconclusive or incomplete evidence; guesswork.
推測：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
A statement, an opinion, or a conclusion based on guesswork:
猜想：基于猜測的聲明、觀點(diǎn)或結(jié)論：
例句：
The commentators made various conjectures about the outcome of the next election.
時事評論家對下一次選舉結(jié)果做了許多推論

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

來源：
Middle English
中古英語
from Old French
源自 古法語
from Latin coniectôra
源自 拉丁語 coniectôra
from coniectus [past participle of] conicere [to infer]
源自 coniectus [] conicere的過去分詞 [推測]
com- [com-]
com- [前綴，表.和.]
iacere [to throw] * see yô-
iacere [投擲] *參見 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.
從他臉上的表情來猜測他的反應(yīng)是不可能的。

Surmise suggests a conclusion reached by intuition or by interpretation of slender evidence:
Surmise 暗指通過直覺或通過對少量證據(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.
我們只能猜測將會發(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)作出的推理過程：
例句：
Scientists speculate on the origin of the universe.
科學(xué)家們猜測宇宙的起源。

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.
她從我說的話中很快推斷出我還沒有得知這一消息