1. 无私：selflessly 无私地 | selflessness 无私 | selfsame 完全相同的

2. 无私,忘我：selfishness 自私自利 | selflessness 无私,忘我 | Hamas 哈马斯

3. 大公无私：3、integrity正直 | 4、selflessness大公无私 | 5、kindness和蔼

noun

1. acting with less concern for yourself than for the success of the joint activity

Synonym: self-sacrifice

2. the quality of unselfish concern for the welfare of others

Synonym: altruism