1．
expect a return for doing favors
wish for a reward when volunteering services
seek for a praise when offering helping hands
deserve a repayment when extending a hand to the needy
2．
aroused a heated debate
raise a fierce discussion
cause lively controversy
invite disputation
3．
opinions are divided into two main groups
two main groups differ on the question
people hold opposing views
people tend to sharply disagree over the issue
4．
illustrated / clarify / elaborate / detail / spell out
5.
as well as / together with / along with / including
6.
firmly believe / are convinced / have full assurance of / has strong convictions
7.
deserve a medal / are praiseworthy / commendable / are well worth praising
8.
does no harm to the dignity
does more good than harm to one's self-esteem
is quite helpful rather than harmful
9.
reason / argue / contend / reckon / claim / voice their opinion / air their views
10.
regardless of their own safety and benefits
without counting personal gains and losses
11.
inspire more people with a sense of justice
motivate more people to pursue clarity
call on more people to providing help
make more and more people awakened to the significance of good deeds
12.
this viewpoint is in opposition with the traditional Chinese virtue
the traditional Chinese culture launches an attack
the traditional Chinese morale cries out against the above opinion
the viewpoint violate the traditional behavioral norm
13.
both of the beliefs stand to reason
both arguments make sense
both viewpoints hold water
there is reason in both views