on edge

• I think you need a drink . your nerves are on edge
  我觉得你该喝点什么，你太紧张了。
• . . . can live constantly on edge like that
  . . .老是在这种边缘环境中生活下去
• No appetite , always on edge , and i can ' t sleep well
  没有胃口，总是很紧张，觉也睡不好。
• A finite element analysis on edge stress of pressure vessel
  压力容器边缘应力的有限元分析
• B : no a etite , always on edge , and i can ' t sleep well
  没有胃口，总是很紧张，觉也睡不好。
• A new error concealment method based on edge detection
  一种新的基于边缘检测的错误隐藏算法
• B : no appetite , always on edge , and i can ' t sleep well
  没有胃口，总是很紧张，觉也睡不好。
• Can live constantly on edge like that
  .老是在这种边缘环境中生活下去
• Study on edge detection in the paraellelism detector
  平行性客观检测仪的十字标志边缘检测研究
• A note on edge reconstructions of graphs
  连通图中可收缩边的存在定理