Straining to cope with the influx,（European countries are sharpening measures to stop theflow of refugees and migrants） amid heightened security concerns following the Parisattacks last month, according to an article written by a journalist from the New York Times.
【正确答案】：欧洲各国正强化措施以阻止难民和移民涌入。
【题目解析】：句中“are sharpening measures”我们翻译成“正强化措施”。
