議論しあう
はりあって議論する
to contradict another's opinion
議論した
argue with one another
to have another discussion about an issue
to argue it out―cross swords with one―break a lance with one―have a passage at arms with one―engage in wordy warfare
I will join issue with you (on that point).
十分に論議する
We shall make it a subject for discussion―bring it up for discussion―bring it on the tapis.
discussion of an event after it has occurred