n.(捕鱼的)拖网，捕猎网，彻底搜查，(对罪犯等的)拉网式搜捕

The police used a dragnet to search for the suspect."
"警方使用了大范围搜索的方式寻找嫌犯。"
The dragnet operation covered all areas where the suspect might have been hiding."
"大范围搜索行动覆盖了嫌犯可能藏身的所有区域。"
The FBI deployed a dragnet to catch the cybercriminals."
"联邦调查局部署了大范围搜索行动来捕捉网络罪犯。"
They conducted a dragnet search in the neighborhood after the theft."
"在失窃后，他们在邻近地区进行了大范围搜索。"
The city's police department has launched a dragnet to find the missing child."
"该市警察局已启动大范围搜索行动寻找失踪儿童。"
The dragnet operation involved hundreds of officers combing through the city."
"大范围搜索行动涉及数百名警员在全城进行搜查。"
The authorities used a dragnet approach to gather intelligence on potential threats."
"当局采用了大范围搜索的方法收集潜在威胁的情报。"
A dragnet was set up around the crime scene to question witnesses and suspects."
"在犯罪现场周围设置了大范围搜索，以询问目击者和嫌疑人。"
The media criticized the police for their dragnet tactics during the protest."
"媒体批评警方在抗议活动中采取的大范围搜索战术。"
The dragnet operation was successful in capturing the fugitive, who had been on the run for months."
"大范围搜索行动成功捕获了那个逃亡数月的通缉犯。"