You touched a raw nerve when you mentioned his first wife.

你谈起他的第一个妻子，这就触到了他的痛处。

《牛津词典》

The whole subject touches a raw nerve.

这个话题触动了她的神经。

youdao

The polls have struck a raw nerve with Mr. Musharraf, who while reiterating his pledge of fair elections, sharply denounced the surveys by international organizations.

这次民意调查触及到穆沙拉夫的痛处，他重申对公正选举的承诺，同时强烈谴责国际组织做出的调查。

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That it has touched such a raw nerve suggests that many French people think so too.

ECONOMIST: Zut alors, even Britain is ahead

Shifting call-centres to cheap-labour countries such as India seems to touch a particularly raw nerve.

ECONOMIST: Outsourcing to India

"I think I touched a raw nerve, particularly among civilian intellectuals who feel and think they can become leaders, " he says.

CNN: The Unlikely 'Military Man'