fingertip /ˈfɪŋɡəˌtɪp/ (also finger-tip) TEM8

• 1. 

  N-COUNT Your fingertips are the ends of your fingers. 指尖

  例：

  The butter and flour are rubbed together with the fingertips.

  黄油和面粉被指尖给搓在一起。

• 2. 

  PHRASE If you say that something is at your fingertips, you approve of the fact that you can reach it easily or that it is easily available to you. 近在手边; 唾手可得 [表赞许]

  例：

  I had the information at my fingertips and hadn't used it.

  我手头就有这种信息，而且我还没用到。