a complicated series of paths, which it is difficult to find your way through 迷宫;曲径 We lost our way in the labyrinth of streets. 我们在迷宫式的街道上迷了路。 - (figurative)
a labyrinth of rules and regulations 错综复杂的规章制度
Word Originlate Middle English (referring to the maze constructed by Daedalus (a craftsman and father of Icarus) to house the Minotaur in Greek mythology): from French labyrinthe or Latin labyrinthus, from Greek laburinthos.