YOU SAID:
Hello! You are a looser!
INTO JAPANESE
こんにちは!あなたは緩いです!
BACK INTO ENGLISH
Hello! You loose!
INTO JAPANESE
こんにちは!あなたを失う!
BACK INTO ENGLISH
Hello! You lose!
INTO JAPANESE
こんにちは!あなたは失います!
BACK INTO ENGLISH
Hello! You lose!
That didn't even make that much sense in English.