put sth out of one's mind

/pˌʊt ˌɛstˌiːˈeɪtʃ ˌaʊtəv wˈɒnz mˈaɪnd/

/pˌʊt ˌɛstˌiːˈeɪtʃ ˌaʊɾəv wˈʌnz mˈaɪnd/

to put sth out of one's mind

to do one's best to stop thinking about a particular person or thing