八幡の藪知らず

やわたのやぶしらずyawatanoyabushirazu

expression · noun

1. Yawata no Yabushirazu (bamboo grove in Chiba; impossible to find one's way out of according to popular legend)
2. thicket from which one cannot escape
3. maze
4. getting lost
5. being unable to find a way out

Study it in Yanamino