YOU SAID:
Dumber than a box of rocks
INTO JAPANESE
岩の箱よりも暗い
BACK INTO ENGLISH
Darker than a rock box
INTO JAPANESE
ロックボックスより暗い
BACK INTO ENGLISH
Darker than lockbox
INTO JAPANESE
ロックボックスより暗い
BACK INTO ENGLISH
Darker than lockbox
Well done, yes, well done!