thicket ②(medical) quack

bolt from the blue

being a mystery (due to conflicting testimony)

out of the blue

thicket of bamboo grass

(medical) quack

Yawata no Yabushirazu (bamboo grove in Chiba; impossible to find one's way out of according to popular legend) ②thicket from which one cannot escape ③getting lost

to stir up trouble for oneself

woven mat tied around a plant to prevent damage from the weight of snow

Yabunouchi school of tea ceremony

labyrinth

wetland with abundant vegetation ②place where things are gathered