YOU SAID:
OW MY CHIN GOT HIT BY A BALL
INTO JAPANESE
あごにボールが当たった
BACK INTO ENGLISH
the ball hit the jaw
INTO JAPANESE
ボールが顎に当たった
BACK INTO ENGLISH
the ball hit the chin
INTO JAPANESE
ボールがあごに当たった
BACK INTO ENGLISH
the ball hit the jaw
INTO JAPANESE
ボールが顎に当たった
BACK INTO ENGLISH
the ball hit the chin
INTO JAPANESE
ボールがあごに当たった
it is unlikely that this phrase will ever reach equilibrium