cliff edge

لبه پرتگاه

a point where a situation changes very suddenly and completely in a damaging way, or where something suddenly becomes much worse
نقطه ای که در آن یک وضعیت، به طور ناگهانی و کاملاً به شکلی مخرب تغییر می کند یا جایی که ناگهان چیزی بسیار بدتر می شود.
... [مشاهده متن کامل]

Retirement doesn't have to be a cliff edge, where you go from full - time work to no work at all overnight
The quality of service has gone over a cliff edge recently