YOU SAID:
Nathan is good at eating pizza
INTO JAPANESE
ネイサンはピザを食べることが得意
BACK INTO ENGLISH
Nathan good to eat pizza
INTO JAPANESE
ネイサンにピザを食べ
BACK INTO ENGLISH
Eat pizza at Nathan
INTO JAPANESE
ネイサンにピザを食べる
BACK INTO ENGLISH
Nathan eats pizza
INTO JAPANESE
ネイサンは、ピザを食べる
it is unlikely that this phrase will ever reach equilibrium