at risk

Prepositional phrase

In a state or condition marked by a high level of risk or vulnerability.

Japanese Meaning

危険にさらされている状態 / リスクの高い状況にある

Coastal communities are at risk from rising sea levels, prompting urgent adaptation measures.

沿岸地域は海面上昇によって危険にさらされており、緊急の適応措置が求められている。

Sense（1）

In a state or condition marked by a high level of risk or vulnerability.

The entire population initially seemed at risk of infection.