这位乐先生还原了当天的情况：他把烛火调成和案发当天一样，倒了杯酒，自己坐在那位友人当天坐的位子上。一端起酒杯，“哎呀！杯子里有条蛇！这不，我破案了！”
zhè wèi lè xiānsheng huányuán le dāngtiān de qíngkuàng ：tā bǎ zhúhuǒ tiáo chéng hé ànfā dāngtiān yīyàng ，dào le bēijiǔ ，zìjǐ zuò zài nà wèi yǒurén dāngtiān zuò de wèizi shàng 。yī duān qǐ jiǔbēi ，“āiyā ！bēizi lǐ yǒu tiáo shé ！zhè bù ，wǒ pòàn le ！”
Mr. Yue restored the scene. He adjusted the candlelight to what it looked like that day, poured a glass of wine, and took the seat where his friend sat on that day. As soon as he held the glass up, he realized, "Oh! There is a snake in the glass! I solved the case!"