di·ver·ti·men·to
noun/dɪˌvɜːtɪˈmentəʊ/
/dɪˌvɜːrtɪˈmentəʊ/
(plural divertimenti
(music, from Italian)/dɪˌvɜːtɪˈmenti/
/dɪˌvɜːrtɪˈmenti/
, divertimentos)- a piece of music that is meant to be fun rather than serious, especially one written for a small orchestra
嬉游曲（尤为小型管弦乐队创作的轻松愉快的乐曲） Word Originmid 18th cent. (denoting a diversion or amusement): Italian, literally ‘diversion’.