bˈʌmbəlbˈiː wʌz ɐn ɪnfˈɔːɹməl tˈɜːm, pɹəmˈoʊɾᵻd baɪ ðɪ ˈɛdɪɾɚz ʌv ˌɛnzˈiː ɹˈeɪlfən mˌæɡɐzˈiːn, dᵻskɹˈaɪbɪŋ ɐ nˈuː zˈiːlənd ɹˈeɪlweɪ lˌoʊkəmˈoʊɾɪv lˈɪvɚɹi ɹɪzˈʌltɪŋ fɹʌmðə kˌɑːmbᵻnˈeɪʃən ʌv blˈæk ænd jˈɛloʊ ɪnðə kˈʌlɚ skˈiːm fˈaʊnd ɪn kˈɑːmən jˈuːsɪdʒ ɐmˌʌŋst ðə ɹˈeɪlfən kəmjˈuːnᵻɾi.
Bumble-Bee was an informal term, promoted by the editors of NZ Railfan magazine, describing a New Zealand railway locomotive livery (resulting from the combination of black and yellow in the colour scheme) found in common usage amongst the railfan community.