6.to have touched/struck/hit a nerve or to have touched/struck/hit a raw nerve<非正式>触到痛处；触到敏感话题
Alistair saw Henry shrink, as if the words had touched a nerve.阿利斯泰尔看到亨利向后缩了一下, 仿佛那些话触到了他的痛处。
The mere mention of John had touched a very raw nerve indeed.一提到约翰就让人非常心痛。