大公无私 [- - wú sī](公正没有私心) selfless; unselfish; perfectly impartial; no personal [selfish] consideration; give no thought to self; just and unselfish; Great impartiality excludes consideration of self.; disinterestedness and unselfishness:
•¶ 工人阶级最大公无私。 It is the working class that is most selfless.