text_original: The search may have to be prolonged to a quarter or even half an hour before a negative result can be definitely pronounced upon.
text_transcription: THE SEARCH MAY HAVE TO BE PROLONGED TO A QUARTER OR EVEN HALF AN HOUR BEFORE A NEGATIVE RESULT CAN BE DEFINITELY PRONOUNCED UPON
phonemes: ðə sˈɜːtʃ mˌeɪhɐv təbi pɹəlˈɔŋd tʊ ɐ kwˈɔːɹɾɚ ɔːɹ ˈiːvən hˈæf ɐn ˈaʊɚ bᵻfˌɔːɹ ɐ nˈɛɡətˌɪv ɹɪzˈʌlt kæn biː dˈɛfɪnətli pɹənˈaʊnst əpˌɑːn.