Translation of "Stabbed" in Arabic

I stabbed my teacher.

لقد طعنت مدرّسي.

He was stabbed by a kid

طُعن من قبل طفل

Sami doesn't know who stabbed him.

لا يعلم سامي من طعنه.

It felt like she took a fork, stabbed it in my gut

شعرت وكأنها أخذت شوكة وطعنتها في أحشائي