infidelity
n. 无信仰,不信神;背信;不忠行为,通奸;私通
复数 infidelities
例句
Is infidelity ever forgivable?
配偶的不忠行为究竟可以被原谅吗?
《柯林斯英汉双解大词典》
He seemed more amazed at his wife's infidelity than angry.
他对妻子的不贞与其说感到愤怒,不如说感到惊愕。
《新英汉大辞典》
Q: Is infidelity a natural phenomenon?
问:“外遇是一种自然的现象吗?”