become a menace

Damocles a brush with a clear and present danger a close call a death trap a marked man a matter of life and or death a powder keg a prime target a recipe for disaster a sword of Damocles hangs over sb's head a ticking time bomb a witch-hunt at stake at your own risk

المحفوف بالمخاطر والعرضة للخطر الحماية والوقاية