She paid dearly for her mistake.

她因犯错误而付出了巨大的代价。

《牛津词典》

I paid dearly for my mistake.

我为我的错误付出了沉重的代价。

youdao

He paid dearly for his mistake.

他为他的错误付出了高昂的代价。

youdao

Kadyrov says Chechens traveled long to see the end of the operation, plus they lost everything of value, and paid dearly for peace, stability and prosperity.

VOA: standard.2009.04.16

It has paid dearly for its entry ticket, but the rewards could be commensurate.

ECONOMIST: Kodak in China: Smile, please | The

And while Tuesday's bond sale went well, at a 5.7% annual interest rate, Portugal paid dearly for it.

WSJ: Good Omens But No Guarantees for Portugal

But the first-round results made it strikingly clear that she had paid dearly for adopting the roughhouse tactics favoured by the prime minister.

ECONOMIST: The prime minister��s party struggles in local elections