amateurish [ˌæməˈtə:rɪʃ, -ˈtʃʊr-, -ˈtjʊr-]

例句:

• We have to develop a less amateurish approach to our organisa-tions.
  我们必须使我们对待自己组织的态度变得较为专业。
  来自柯林斯例句
• He scoffed at our amateurish attempts.
  他对我们不在行的尝试嗤之以鼻。
  
• The concert was rather an amateurish affair.
  这场音乐会颇有些外行客串的味道.
  
• It has certainly made the league look very amateurish.
  来自BBC
• Last year's fair, she said, was amateurish.
  来自WSJ
• Inside, there's the same feeling of amateurish enthusiasm.
  来自THETIMES