unfaithfulness
US /ʌnˈfeɪθ.fəl.nəs/
UK /ʌnˈfeɪθ.fəl.nəs/
名詞
1.
不忠
the fact of having a sexual relationship or experience with a person who is not your husband, wife, or usual sexual partner:
範例:
•
His sister accused their father of adultery and unfaithfulness.
在 Lingoland 學習這個單詞