YOU SAID:
He looked at me I looked at him He spied at me I spied at him
INTO JAPANESE
彼は私を見て 私は彼を見ました 彼は私をスパイした 私は彼をスパイしました
BACK INTO ENGLISH
He looked at me i saw him he spy on me i spy on him
INTO JAPANESE
彼は私を見ました私は彼が私をスパイしているのを見ました私は彼をスパイします
BACK INTO ENGLISH
He saw me i saw him spying me i spy him
INTO JAPANESE
彼は私を見た私は彼が私をスパイしているのを見た私は彼をスパイしている
BACK INTO ENGLISH
He saw me i saw him spying me i spicing him
INTO JAPANESE
彼は私を見た私は彼が私をスパイしているのを見た私は彼をスパイしている
BACK INTO ENGLISH
He saw me i saw him spying me i spicing him
That didn't even make that much sense in English.