English to English

noun (n)

• the position of greatest importance or advancement; the leading position in any movement or field

  posisi bagi terbesar penting atau kemajuan; terkemuka posisi dalam gerakan apapun atau medan

  Synonym:
  forefront, vanguard
  

  source: wordnet30
• the sharp cutting side of the blade of a knife

  sharp memotong sisi helai pisau

  Synonym:
  knife edge
  

  source: wordnet30