YOU SAID:
a fake friends will stab you in the back
INTO JAPANESE
偽の友達が背中を刺します
BACK INTO ENGLISH
Fake friend sticks back
INTO JAPANESE
偽の友人が戻る
BACK INTO ENGLISH
Fake friend returns
INTO JAPANESE
偽の友人が戻ります
BACK INTO ENGLISH
Fake friend returns
That didn't even make that much sense in English.