“借以”怎么读？

这位教师常常给她的学生讲童话故事,借以吸引他们的兴趣.The teacher used to beguile her pupils with fairy tales.他装作若无其事,借以掩饰内心的不安.He conceals his worries behind a mask of nonchalance.警察设置障碍物,借以控制人群.The police put up barriers to control the crowd....

“借以”的英语可以翻译为：so as to，for the purpose of，by way of ...