YOU SAID:
I need to stop biting my nails
INTO JAPANESE
私は私の爪をかむ停止する必要があります。
BACK INTO ENGLISH
I chew my nails need to stop.
INTO JAPANESE
私は停止する必要が私の爪をかみます。
BACK INTO ENGLISH
I chew my nails need to stop.
Come on, you can do better than that.