YOU SAID:
is slammed my penth in the car door
INTO JAPANESE
車のドアに私のペンを叩きつつ
BACK INTO ENGLISH
Banging my pen on the car door
INTO JAPANESE
車のドアにペンを叩く
BACK INTO ENGLISH
bang a pen on the car door
INTO JAPANESE
車のドアにペンを叩く
BACK INTO ENGLISH
bang a pen on the car door
You've done this before, haven't you.