即兴而作

例句：

1. 1. The band played a lively rendition of "Hotel California" during the concert.
   乐队在音乐会上即兴演奏了《加州旅馆》这首曲目。
2. 2. The artist improvised a beautiful piece for the audience.
   这位艺术家为观众即兴创作了一首美妙的作品。
3. 3. The director asked the actors to improvise their lines in front of the camera.
   导演要求演员们在镜头前即兴表演台词。