inexperience

n.

1. 缺乏经验; 不成熟
   • He failed because of inexperience.
     他由于经验缺乏而失败了。
2. 缺乏知识
   • We laughed at her inexperience in the kitchen; she couldn't boil water.
     我们笑她缺乏厨房知识, 连烧开水都不会。