godan verb (-ru), intransitive verb
thrust at; lunge at
Describes a sudden, aggressive forward movement with a pointed weapon or object, often with intent to stab or strike. Intransitive, so the target is marked with に.
男は突然ナイフで私に突きかかってきた。
The man suddenly lunged at me with a knife.
敵兵が槍で突きかかろうとした。
The enemy soldier tried to thrust at me with a spear.