unfaithfulness
US /ʌnˈfeɪθ.fəl.nəs/
UK /ʌnˈfeɪθ.fəl.nəs/
名詞
不貞, 不忠
the quality or state of being unfaithful; disloyalty
例:
•
His unfaithfulness led to the breakdown of their marriage.
彼の不貞が彼らの結婚生活の破綻につながった。
•
The general was accused of unfaithfulness to his country.
将軍は国への不忠を非難された。