capriccio
/kəˈprɪtʃɪəʊ/noun
(pl.-os)
1- a lively piece of music, typically one that is short and free in form随想曲（尤指形式简短和自由的乐曲）。
1.1
- a painting or other work of art representing a fantasy or a mixture of real and imaginary features（现实与虚构相杂糅的）幻想画等艺术作品。
词源
early 17th cent. (denoting a sudden change of mind)： from Italian， literally 'head with the hair standing on end'， hence 'horror'， later 'a sudden start' （influenced by capra 'goat'， associated with frisky movement）， from capo 'head' + riccio 'hedgehog'.