如何使用 "coarsen" 造句

1. Lyona ostricker would assume the stage and sing russian classics and then coarsen his voice and do an imitation of a famous black jazz singer .
莱昂纳奥斯特里克将上台，先唱首俄罗斯经典老歌，然后再把声音变低，模仿一位著名的黑人爵士歌手。