出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第294页（237字）
比喻才思衰退，大不如前，例这位作曲家今年发表的几首奏鸣曲还不如他少年时的作品，看来已是江郎才尽了。
The sonata written by this composer this year rates far below those composed when he was young．It looks like his inspiration has dried up