I have translated this sentence as it sounds. If you are not satisfied send more of your text in English so that one can understand the sentence better.

I have translated this sentence as it sounds. If you are not satisfied send more of your text in English so that one can understand the sentence better.

Li natahawar silmiyan bi wasatati allughat.
لنتحاور سلمياً بوساطة اللغات
Or:
Li natahawar silmiyan min khilal allughat.
لنتحاور سلمياً من خلال اللغات
(natahawar: hold a conversation – debate – talk - speak)

hope this is helpful.

LITAKUN AL-ALSUNU (or ALSUNUNA) RUSULA SALAMIN BAYNANA.

This translation is admittedly off the beaten track. I like most of the answers that have been posted so far. They all take a conscientious, faithful approach, showing great deference to the source text.

Mine takes a somewhat different approach, only because the other approach has already been tried in all the other answers. There would have been no sense in offering one more variation on LINATAFAHAM, LINATAHAWAR, LINATAWASAL, etc.

I offer this alternative just in case the other approach has not yielded the desired outcome for the asker.

Fuad