YOU SAID:

they arent the sharpest knife in the box

INTO JAPANESE

彼らは箱の中で最も鋭いナイフを借りません

BACK INTO ENGLISH

They don't borrow the sharpest knife in the box

INTO JAPANESE

彼らは箱の中で最も鋭いナイフを借りません

BACK INTO ENGLISH

They don't borrow the sharpest knife in the box