助人为乐 Helping others ; helpful ; a helping ; find pleasure in helping others

客气而助人为乐 be polite and helpful

助人为乐为快乐之本 Helpfulness of happiness ; others for the happy

助人为乐的 helpful

因为我想助人为乐 Because I think helpfulness ; Because I want to charity

指助人为乐 do good turns

助人为乐俱乐部 Helping Hand Club

助人为乐的崛起 Eary rising

你必须助人为乐 You must be helpful

助人为乐奖 Helpful Student Award