n. 无宗教信仰;背信,不忠诚;(夫妇间的)不忠诚行为
拆分: in-不,无,非 + -fid-信任 + -el名词词尾 + -ity名词词尾
例:She closed her eyes to her husband’s infidelities. 她丈夫有不忠行为,她却视而不见。 The photo was final proof of her husband’s infidelity. 这张照片最终证明了她丈夫的不忠。
