Under the state of siege, the police could arrest suspects without charges or warrants.在戒严时，警方无需指控或逮捕令就可以逮捕嫌疑人。The city is in a state of siege.城市陷入包围。The police placed the city under a virtual state of siege.警方实际上已封锁了这座城市。The city was declared to be in a state of siege.该市被宣布处于封锁状态。