Translation of "sumuntok" into English

Natuto akong sumuntok, protektahan ang sarili ko, at magbuhat ng mabibigat na bagay.

I have learned how to throw strong punches, protect myself, and lift heavy things.

Nanginginig ako at parang may sumuntok sa sikmura ko dahil sa matinding kirot.”

I trembled and felt terrible pains as if someone had hit me in the stomach.”