at four o'clock uh
at four o'clock
prep det:num n
at four o'clock uh .
æ t WORD_BOUNDARY f oː ɹ WORD_BOUNDARY ə k l ɑː k WORD_BOUNDARY ʌ WORD_BOUNDARY
a t WORD_BOUNDARY f o u r WORD_BOUNDARY o ' c l o c k WORD_BOUNDARY u h WORD_BOUNDARY