self-sacrifice/ˌselfˈsækrɪfaɪs; ˌsɛlf`sækrəˌfaɪs/ n[U]giving up or willingness to give up things that one wants, in order to help others or for a good purpose 放弃个人利益; 自我牺牲精神 Her self-sacrifice saved our lives. 她以自我牺牲精神救了我们的性命.
牛津英汉双解词典