embellish/ɪmˈbelɪʃ/
vt.1. 美化；装饰The door of the old church was embellished with decorations.老教堂的门是用雕饰美化的。
2. 加细节；润色I asked him not to embellish the truth with ideas of his own.我要他不对事实添油加醋。
Just tell the truth and don't embellish the story by any means. (喻)你只要讲清事实，千万不要添枝加叶。