Asking John to run the department and teach a full load of courses is piling Pelion upon Ossa. 要约翰管理这个系，又要他上满工作量的课程，这是强人所难。
After Starring several films successfully she went on to become the most popular singer in the country, piling Pelion upon Ossa. 在成功地主演几部电影之后，她又成为国内歌坛最受欢迎的歌手，名声更大。
