YOU SAID:

I couldn't convince him that I wasn't with the Feds

INTO JAPANESE

私は彼を納得させることができなかった私はFBIと一緒ではなかった

BACK INTO ENGLISH

I couldn't convince him I wasn't with the FBI.

INTO JAPANESE

FBIと一緒じゃないと説得できなかった

BACK INTO ENGLISH

I couldn't convince him not to be with the FBI.

INTO JAPANESE

FBIにいないように説得できなかった

BACK INTO ENGLISH

I couldn't convince him not to be with the FBI.