ðɪs əfˈɛnsɪv, ðə ɡˈʌmbɪnən ˌɑːpɚɹˈeɪʃən, ɹˈæn ˌɪntʊ ɛkstɹˈiːmli stɹˈɔŋ dʒˈɜːmən ɹᵻsˈɪstəns ænd wʌz hˈɔltᵻd wɪðˌɪn ɐ fjˈuː dˈeɪz.
This offensive, the Gumbinnen Operation, ran into extremely strong German resistance and was halted within a few days.