People in general have different opinions about situations and problems to be solved,don't they? Then it is very common to see people discussing controversial issues politely or impolitely around tables.However there are many people who get impatient or even extremely angry about certain troubles, subjects or people's behaviours then they have serious arguments or blazing rows out of  the blue ! Debates should always be productive and useful but ,unfortunately, they do not often have happy endings.

http://www.macmillandictionary.com/dictionary/british/out-of-the-blue

In english there are several verbs and phrases that are used to express these reactions of strong disagreements and oral aggressiveness.How many of them do you remember ? If you click on Cambridge dictionary link  below, you are going to find several verbs and nouns which are used to express this idea of arguments and disputes.Read carefully and then try to make up your own sentences with them,ok ?

  https://dictionaryblog.cambridge.org/

Obs: Check the meaning of the verb discuss (-ed) cliking on the link below.Read up to the GET IT RIGHT explanation to be sure of prepositions and its uses. 

http://www.macmillandictionary.com/dictionary/british/discuss

Last but not least , there are good examples to check the meanings and uses of  the verbs mentioned above. Which quote do you agree with 100% ?