cusp [kʌsp]

例句:

• Mr Short's behaviour is only on the cusp of acceptability.
  肖特先生的行为勉强能接受。
  
• I am sitting on the cusp of middle age.
  我将步入中年。
  
• the cusp of a leaf
  叶尖
  
• The country is on the cusp of major modernisation.
  来自THETIMES
• We are at a cusp point in medical generations.
  来自NEWYORKER
• Both feature young women on the cusp of sexual awakening.
  来自THETIMES