at the mercy of

成語所屬單字mercy

at the mercy of — 慣用語

1. in a situation where someone or something has complete power over you and you ca

1.慣用語
釋義

任由……擺佈;聽憑……處置

in a situation where someone or something has complete power over you and you cannot protect yourself from harm

例句

After the earthquake, the town was at the mercy of the freezing winter weather.

Without a map, the hikers were at the mercy of the forest and their own poor sense of direction.