YOU SAID:
Using a broken pencil is pointless
INTO JAPANESE
壊れた鉛筆を使用するのは無意味です
BACK INTO ENGLISH
It is meaningless to use a broken pencil
INTO JAPANESE
壊れた鉛筆を使うのは無意味です
BACK INTO ENGLISH
It is meaningless to use a broken pencil
That didn't even make that much sense in English.