jungle

viidakko

leiri A large, undeveloped, humid forest, especially in a tropical region, that is home to many wild plants and animals.
puhekieltä A place where people behave ruthlessly, unconstrained by law or morality.

It’s a jungle out there.

(..) lost in such a jungle of intrigues, pettifoggings, treacheries, diplomacies domestic and foreign (..)