ɪf wiː ɑːɹ nˌɑːt wˈɜːkɪŋ ˌoʊvɚɹ ɐ fˈiːld ʌv kˌæɹɪktɚɹˈɪstɪk zˈiəɹoʊ, ðə kənstɹˈʌkʃən əbˌʌv stˈɪl wˈɜːks, bˌʌt ɪɾ ɪz jˈuːʒuːəli nˈiːɾɚ tə jˈuːz ðə fˈɑːloʊɪŋ vˌɛɹɪˈeɪʃən ʌv ɪt.
If we are not working over a field of characteristic 0, the construction above still works, but it is usually neater to use the following variation of it.