触及

chù jí shāng xīn shì

触及伤心事

touch sad thing

rú guǒ nǐ tí hūn yīn jiù huì chù jí dào tā de tòng chù

如果你提婚姻，就会触及到她的痛处。

If you mention marriage, you'll touch her on a tender spot.