The government decreed a state of emergency.

政府下令进入紧急状态。

The president proclaimed a state of emergency.

总统宣布了紧急状态。

The government has declared a state of emergency.

政府已宣布进入紧急状态。

He vociferously opposed the state of emergency imposed by the government.

他大声疾呼反对政府强行宣布紧急状态。

The government has declared a state of emergency following the earthquake.

地震发生后政府已宣布进入紧急状态。