異心 /yìxīn/ angolul

infidelity [infidelities]▼(unfaithfulness in marriage or other moral obligation)
noun
[UK: ˌɪn.fɪ.ˈde.lɪ.ti] [US: ˌɪn.fə.ˈde.lə.ti]

unfaithfulness▼(characteristic of being unfaithful)
noun
[UK: ˌʌn.ˈfeɪθ.fəl.nəs] [US: ˌʌn.ˈfeɪθ.fəl.nəs]