a. 无法用乐器演奏的
在线英汉词典

unplayable的短语、例句：

unplayable adj 1 (in games, of a ball) that cannot be played （比赛等, 指球）无法打的. 2 (of ground) not fit to be played on （指场地）不适宜比赛的. 3 (of music) too difficult to be played （指音乐）难以演奏的.