她拒绝承认自己的自私行为，声称那只是合理的自我保护。

She refused to admit her ___self-serving behavior, claiming it was just reasonable self-protection.

他的自私提议完全是为了个人利益，忽视了团队的整体需求。

His ___self-serving proposal was solely for personal gain, ignoring the team's overall needs.