How to say this meeting is a waste of time everybody is just talking in vague theoretical terms in Japanese
1)
皆皆(mina) (adv,n) all/everyone/everybody/everything、、(、) Japanese comma空空(sora) (ok) sky/hollow/cavity/hole理理(ri) (n) reason/truth/way of things/justice空論空論(kuuron) (n,adj-no) abstract or impracticable theoryばかりばかり(bakari) (prt) only/merely/nothing but/no more than/approximately/about/ just/as if to/about to/indicates emphasis言ってno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb、、(、) Japanese comma時間時間(jikan) (n-adv,n) time/hoursのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question無駄無駄(muda) (adj-na,n) futility/uselessness/pointlessnessだよno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb、、(、) Japanese commaこのこの(kono) (n) this会議会議(kaigi) (n,vs,adj-no) meeting/conference/session/assembly/council/convention/congressはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh。。(。) Japanese period "."
