immaturity [ˌɪmə'tjʊərətɪ]

例句:

• It traces the development of a young man from immaturity to maturity.
  它描写一位青年从不成熟到成熟的发展过程.
  
• Immaturity is the inability to use one's understanding without guidance from another.
  不成熟就是不经他人的指引就无法运用自身的理解力.
  
• Politics is usually the executive expression of human immaturity.
  政治通常是人类不成熟的表现行为.
  
• That's where the immaturity maybe comes in.
  来自THETIMES
• It is the result of an immaturity in the development of the nervous system.
  来自BBC
• Evil reinvents itself in every age and is reinvigorated by mankind's inevitable immaturity.
  来自WSJ