YOU SAID:
He ain't the sharpest tool in the shed
INTO JAPANESE
彼は小屋の中で最も鋭い道具ではない
BACK INTO ENGLISH
He's not the sharpest tool in the shed.
INTO JAPANESE
彼は小屋の中で最も鋭い道具ではありません。
BACK INTO ENGLISH
He's not the sharpest tool in the shed.
You've done this before, haven't you.