YOU SAID:
Tackling the ones in my head
INTO JAPANESE
私の頭の中のものに取り組む
BACK INTO ENGLISH
Work on things in my head
INTO JAPANESE
頭の中で作業する
BACK INTO ENGLISH
Work in the head
INTO JAPANESE
頭の中で働く
BACK INTO ENGLISH
Work in the head
That didn't even make that much sense in English.