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犬OKのレストランにチワワ連れて入ってきたおば様の挨拶が…
→ “The greeting from the auntie who brought her Chihuahua into a dog-friendly restaurant...”
犬 inu = dog (noun)
OK ok = okay / acceptable (loanword/adjective)
の no = of / 's (possessive particle)
レストラン resutoran = restaurant (loanword/noun)
に ni = to / into (directional particle)
チワワ chiwawa = Chihuahua (loanword/noun)
連れて tsurete = bringing / taking along (verb, te-form of tsureru)
連 tsure = connect / bring
れ re = (causative/te-form marker)
て te = (conjunctive/te-form ending)
入って haitte = entering / coming in (verb, te-form of hairu)
入 hai = enter / go in
っ = (gemination marker)
て te = (conjunctive/te-form ending)
きた kita = came / came in (past tense of kuru)
来 ki = come
た ta = (past tense marker)
おば様 obasama = auntie / lady (honorific noun)
お o = honorific prefix
ば ba = old woman / aunt
様 sama = honorific suffix (-sama)
の no = 's / of (possessive particle)
挨拶 aisatsu = greeting / salutation (noun)
会 ai = meet / assemble
さつ satsu = (suffix for formal interaction)
が ga = subject marker / emphasis particle
… = ellipsis (indicating suspense or trailing off)