YOU SAID:
You're gonna lose that girl.
INTO JAPANESE
あなたはその女の子を失うだろう。
BACK INTO ENGLISH
You will lose that girl.
INTO JAPANESE
あの娘を失うことになります。
BACK INTO ENGLISH
Lose that girl.
INTO JAPANESE
あの娘を失います。
BACK INTO ENGLISH
Lose that girl.
Come on, you can do better than that.