YOU SAID:

I've got an idea, but I need to work on it

INTO JAPANESE

私はアイデアを持っていますが、それに取り組む必要があります

BACK INTO ENGLISH

I have an idea but I need to work on it

INTO JAPANESE

アイデアはあるが、それに取り組む必要がある

BACK INTO ENGLISH

I have an idea but I need to work on it