那记忆太痛不忍触碰
[nèi jì yì tài tòng bù rĕn chù pèng]
The description suggests there are certain memories filled with such profound anguish and sorrow that the mere thought of revisiting them becomes excruciating; touching these recollections can stir old pains anew, indicating past experiences deeply imprinted in mind that cause lasting distress.