YOU SAID:
hi i will break your niko niko kneecaps
INTO JAPANESE
こんにちは 私はあなたのニコニコの膝蓋を壊します
BACK INTO ENGLISH
Hello I will break your niconico kneecap
INTO JAPANESE
こんにちは 私はあなたのニコニコ膝蓋骨を壊します
BACK INTO ENGLISH
Hello I will break your niconico kneecap
That didn't even make that much sense in English.