rhapsody
noun [ C ] uk/ˈræp.sə.di/ us/ˈræp.sə.di/
music specialized狂想曲
a piece of music that has no formal structure and expresses powerful feelings
Rachmaninov's "Rhapsody on a Theme of Paganini" 拉赫马尼诺夫的《帕格尼尼主题狂想曲》
formal充满激情的演讲（或文章）;热情洋溢的发言（或文章）
a speech or piece of writing that contains powerful feelings and enthusiasm
Idiom
go into rhapsodiesidiom 大加赞赏，热情称颂
to express very great enthusiasm and admiration for something
She went into rhapsodies over/about the chocolate cake. 她对那个巧克力蛋糕赞不绝口。