for strong form BrE AmE fɔː AmE fɔːr , weak form fə AmE f ə r — In both Received Pronunciation and General American ELISION gives rise to an occasional prevocalic weak form fr , used before weak vowels: stay for a week ˌsteɪ frə ˈwiːk . There is also a very casual or rapid weak form f . In Received Pronunciation some speakers also have an occasional prevocalic strong form fɒr , used (if at all) only in the phrases for her fɒr ə , for him fɒr ɪm , for it fɒr ɪt , for us fɒr əs .
FOR
Meaning of FOR in English
Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012