“借以”造句

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.