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

1.
分別をわからせる, 正気に戻す
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.
彼が大きな間違いを犯す前に、誰かが彼に分別をわからせる必要がある。
•
My parents tried to knock some sense into me about my career choices.
両親は私のキャリア選択について分別をわからせようとした。