comment, discuss
自由 ~ free debate || ~问题 debate a question || 参加~ participate in a debate
reply (to a question or argument)
reason with
judge
rebut
defend
differentiate
vie for
controversy, debate
argue
dispute
disagree
quarrel, argue
bicker
start trouble
talk back
curse
call names, insult
oppose
sing a different tune (express a different view)
persuade