英:/'ʌnˈfeɪθfl/ 美:/'ʌnˈfeɪθfl/
不忠實的
adj. 不忠實的；不誠實的；不準确的
He promised in his wedding oath that he would never be unfaithful to his wife.
他在婚禮誓詞中承諾絕不會對妻子不忠。
I have been unfaithful to my wife.
我對我的妻子不忠。
I found out that Rose had an unfaithful behavior with her neighbor.
我發現羅絲和她的鄰居有通奸行為。
The husband was unfaithful to his wife. So they divorced.
丈夫對妻子不忠 所以他們離婚了
Have you ever been unfaithful to him?
你對他是否有過不忠行為？
He vowed to wreak vengeance on his unfaithful, thieving wife.
他發誓要報複對自己不忠、愛偷東西的妻子。
She was shocked by the discovery that he had been unfaithful.
她發覺他不忠時感到非常震驚。
She wondered if Harry had been unfaithful to her during this long separation.
她想知道，在分開的漫長歲月裡哈裡是否已經對她不忠了。
He's not the type to be unfaithful.
他不是背信棄義的那種人。
adj.|faithless/dishonest;不忠實的；不誠實的；不準确的
“unfaithful” 是一個形容詞，主要含義為“不忠誠的、不忠實的”，具體含義需結合語境理解：
指在伴侶關系中違背承諾，如出軌、欺騙等。
例：She discovered her husband was unfaithful.（她發現丈夫出軌了。）
近義詞：adulterous, cheating
反義詞：faithful, loyal
表示未履行責任或未遵守諾言。
例：The employee was unfaithful to the company’s mission.（該員工違背了公司的宗旨。）
近義詞：disloyal, treacherous
用于描述對宗教信仰、理想或價值觀的背叛。
例：He was accused of being unfaithful to his political ideals.（他被指責背離了自己的政治理想。）
近義詞：apostate, renegade
在文學或藝術領域，可指對原作的改編或翻譯不夠忠實。
例：The film adaptation was criticized as unfaithful to the novel.（電影改編被批評未忠實于原著。）
近義詞：inaccurate, distorted
解釋： 不忠實的，不忠誠的，不可靠的。
用法： 這個詞通常用于形容人的品行、态度、行為或行動。例如：He is unfaithful to his wife.（他對妻子不忠實。）
例句：
近義詞： disloyal, treacherous, false, deceitful, dishonest
反義詞： faithful, loyal, dependable, reliable, trustworthy
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