dishonest

詳細解釋：

dis.hon.est

adj.（形容詞）
Disposed to lie, cheat, defraud, or deceive.
說謊的、欺瞞的：有意撒謊、欺騙、詐欺或蒙蔽的
Resulting from or marked by a lack of honesty.
不誠實的；不正直的：由缺乏誠實而引起的，或以不正直為特徵的

來源：
Middle English dishoneste [dishonorable]
中古英文 dishoneste [不名譽的，不光彩的，可恥的]
from Old French deshoneste
源自 古法文 deshoneste
probably from Medieval Latin *dishonestus
可能源自 中世紀拉丁語 *dishonestus
Latin dis- [dis-]
拉丁語 dis- [表示.不，相反.的意思]
Latin honestus [honorable] * see honest
拉丁語 honestus [榮譽的，誠實的] *參見 honest

【引伸】
dishon.estly
adv.（副詞）
<參考辭彙><同義詞>dishonest,lying,untruthful,deceitful,mendaciousThese adjectives mean lacking honesty or truthfulness.
這些形容詞都含有不誠實或不真實的意思。
Dishonest is the least specific:
Dishonest 是最普通的：
例句：
a dishonest answer;
不老實的回答；

例句：
a dishonest car dealer;
不誠實的汽車經營者；

例句：
dishonest profits.
不正當的獲利。

Lying conveys a blunt accusation of untruth:
Lying 表達了對不真實性直言不諱的譴責：
例句：
Inconsistencies in his testimony made it obvious that he was a lying witness.
他證詞不一致，很明顯，他是一個撒謊的證人。

Untruthful is a softer but closely related term;it suggests both lack of veracity and divergence from fact:
Untruthful 是一個口氣更溫和而關係更密切的交情；該詞既意味著缺乏真實，又意味著脫離事實：
例句：
made an untruthful statement.As experiments are completed the hypothesis seems increasingly untruthful.
做了不真實的敘述。實驗結束後，這種假說好象增加了不真實性。

Deceitful implies misleading by falsehood or by concealment of the truth:
Deceitful 指由於欺騙或掩蓋事實而使人迷惑的：
例句：
deceitful advertising;
騙人的廣告；

例句：
a deceitful person.
欺騙的人。

Mendacious, a more formal equivalent oflying, suggests a chronic inclination toward untruth when it is applied to persons:
Mendacious 與lying 意思一樣但更為正式，當用於指人時，含有有偽造、撒謊的習慣：
例句：
submitted a mendacious insurance claim.
上交了一份偽造的保險書。

例句：
Even when she is not being overtly mendacious,she tinkers with the truth.
即使當她不是公開撒謊時，她在事實的真相上也是笨拙的