minefield
n.n. a place where there are many hidden explosives, or a situation that is very dangerous and full of problems.
n. an area containing hidden explosives, or a situation characterized by numerous potential pitfalls or dangers.
The old battlefield is a minefield.
Discussing politics in that office is a minefield because everyone has strong opinions and no one agrees.
Navigating the complex legal landscape of international trade is a minefield for small businesses that lack the resources to hire specialized legal counsel.
From mine + field. Compare Saterland Frisian Mienenfäield (“minefield”), West Frisian mynfjild (“minefield”), Dutch mijnenveld (“minefield”), German Low German Minenfeld (“minefield”), German Minenfeld (“minefield”), Danish minefelt (“minefield”), Swedish minfält (“minefield”).