leitmotif

US /ˈlaɪt.moʊ.tiːf/
UK /ˈlaɪt.moʊ.tiːf/
"leitmotif" picture
1.

主导动机, 主题

a recurrent theme throughout a musical or literary composition, associated with a particular person, idea, or situation.

:
The composer used a specific leitmotif for each character in the opera.
作曲家在歌剧中为每个角色都使用了特定的主导动机
The idea of freedom became a recurring leitmotif in his speeches.
自由的理念成为他演讲中反复出现的主导动机