pay dearly

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

付出沉重代价, 吃大亏

to suffer greatly as a result of something you have done

:
He will pay dearly for his mistakes.
他将为自己的错误付出沉重代价
If you betray their trust, you will pay dearly.
如果你背叛了他们的信任,你将付出沉重代价