急.用图片表示nothing这个单词

打开一个礼物盒子,什么东西都没有

prepare a board, write some works on it
Something like "something"
See, there's something on the board,
and, turn that board around.
everyone just see the back of board.
it means "nothing".

what do you think?

一个人，是一个魔术师，他表演魔术时，用布拿给大家看，什么也没有，就“nothing”了，do you think so?