Daily Chinese Idiom Guessing Game
To disappear without a trace, often referring to something that vanishes mysteriously.
翼翅膀。没有翅膀却飞走了。比喻物品忽然丢失。也比喻事情传播得很迅速。
《管子·戒》无翼而飞者声也。”《战国策·秦策三》众口所移，毋翼而飞。”
He put the document on the desk, but it flew away without wings.