use / take a sledgehammer to crack a nut

/jˈuːs tˈeɪk ɐ slˈɛdʒhamə tə kɹˈak ɐ nˈʌt/

/jˈuːs tˈeɪk ɐ slˈɛdʒhæmɚ tə kɹˈæk ɐ nˈʌt/

to use / take a sledgehammer to crack a nut

to put more energy and force than is necessary into doing something