YOU SAID:

somebody once told me the world was gonna roll me I ain't the sharpest tool in the shed she was lookin kinda dumb with her finger and her thumb in the shape of an l on her forehead

INTO JAPANESE

誰かは一度世界をつもりだった私に言った俺私の小屋で鮮明なツールをロールに彼女なんかちょっと間抜け彼女の指と l の形をした彼女の親指で彼女の額に

BACK INTO ENGLISH

Someone told me once the world was going to my in the cabin of my sharpest tool roll she's kinda dumb with her fingers and l-shaped her thumb on her forehead