cut (someone) to the quick
1. To slice a part of the body very deeply.
Be careful—one slip of that knife and you’ll cut yourself to the quick.
2. To strike the deepest, most fragile part of one. Typically used to describe emotional wounds.
I can’t even look at her right now—that hurtful remark cut me right to the quick.
Magyarul vagy mély sebet hagy valakin, vagy az elevenjébe vág.
Én itt találkoztam vele:
„Be happy for me,” she says, and I feel cut to the quick.
(Holly Black: The Cruel Prince, pg 138)