knock some sense into
US /nɑk sʌm sɛns ˈɪntuː/
UK /nɑk sʌm sɛns ˈɪntuː/

1.
hacer entrar en razón, hacer recapacitar
to make someone understand a situation and behave in a more sensible way, often by using strong words or actions
:
•
Someone needs to knock some sense into him before he makes a big mistake.
Alguien necesita hacerle entrar en razón antes de que cometa un gran error.
•
My parents tried to knock some sense into me about my career choices.
Mis padres intentaron hacerme entrar en razón sobre mis elecciones de carrera.