overdecoration       
noun [ U ] (also over-decoration) uk/ˌəʊ.və.dek.əˈreɪ.ʃən/ us/ˌoʊ.vɚ.dek.ərˈeɪ.ʃən/
 过度装饰
the use of too many things, colours, patterns, etc. on an object or in a place, in an effort to make it more attractive
  The definition of glamour nowadays is quality, not details and overdecoration. 现在对迷人的定义是质量,而不是细节和过多的装饰。 
 Jan was responsible for the over-decoration of their apartments in London and Paris. 简要为过度装饰他们以前在伦敦和巴黎的房子负责。 
  - More examples
 - Overdecoration of a child's bedroom can lead to overstimulation.
 - He overheard Tom insult him for the overdecoration of his home.
 - Some people dislike the overdecoration of antique Japanese porcelain.