embellish       
verb [ T ] uk/ɪmˈbel.ɪʃ/ us/ɪmˈbel.ɪʃ/
 装饰,修饰;给…添枝加叶,渲染
to make something more beautiful or interesting by adding something to it
  The ceiling was embellished with flowers and leaves. 天花板上装饰着花和叶。 
 He couldn't resist embellishing the story of his accident a little. 在讲述他出的那起事故时,他忍不住添油加醋地渲染了一番。