“何必”怎么读

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你何必为已发生的事没完没了地自责？Why do you persist in blaming yourself for what happened?你何必自找麻烦为你姐姐的狗所累 呢 ?Why do you burden yourself with your sister's dog?你何必替这种人卖力?Why should you work so hard for these people?...

“何必”的近义词/同义词：何须。...