n.

1. 紧急情况；突然事件；非常时刻[U][C]
   In an emergency, call 119.

   遇有紧急情况，请打119。

n.

1. a serious, unexpected, and potentially dangerous situation requiring immediate action.
   ▸ [as modifier] arising from or used in an emergency:

   an emergency exit.
   ▸N. Amer. the casualty department in a hospital.
2. (the Emergency) Irish historical the Second World War.
3. Austral./NZ dated (in sport) a reserve player or runner.