give sb. the edge of one's tongue

例句：

1. 1. I gave my friend a book as a gift.
   我送给朋友一本书作为礼物。
2. 2. The teacher gave us a lesson on how to solve problems.
   老师给我们上了一堂如何解决问题的课。
3. 3. She gave me directions to the nearest bus stop.
   她给我指了最近的公交站方向。