I’m not prepared to do something
From Longman Dictionary of Contemporary EnglishI’m not prepared to do somethingI’m not prepared to do somethingspokenREFUSE used when saying strongly that you refuse to do something I’m not prepared to sit here and listen to this rubbish! → preparedExamples from the CorpusI’m not prepared to do something• I'm not prepared to let them take my business without a fight.