razor wire

1. N-UNCOUNT Razor wire is strong wire with sharp blades sticking out of it. In wars or civil conflict it is sometimes used to prevent people from entering or leaving buildings or areas of land. 刀片刺网; 铁丝网

...plans to use razor wire to seal off hostels for migrant workers. ...使用铁丝网来封锁移民工所住旅店的方案。