pay dearly

US /peɪ ˈdɪrli/
UK /peɪ ˈdɪrli/
"pay dearly" picture
1.

高い代償を払う, ひどい目に遭う

to suffer greatly as a result of something you have done

:
He will pay dearly for his mistakes.
彼は自分の過ちに対して高い代償を払うだろう。
If you betray their trust, you will pay dearly.
彼らの信頼を裏切れば、高い代償を払うことになるだろう。