《太平广记·卷二百二十八·博戏》
顾恺之来到后，刚坐好，桓玄说：你可以猜猜虎探哪只手里藏着钩顾恺之说：赏我一百疋布，我就猜。
顾恺之来到后，刚坐好，桓玄说：你可以猜猜虎探哪只手里藏着钩顾恺之说：赏我一百疋布，我就猜。
After Gu Kaizhi arrived, he had just sat down, Huan Xuan said: You can guess which hand Hu Tan is hiding the hook in Gu Kaizhi said: Reward me with a hundred pieces of cloth, and I will guess.