1.Asking me to run the department and teach a full load of courses is piling Pelion on Ossa.
要求我管理这个系，并教满工作量的课程，这是难上加难。
2.The only European item the lovely blue olive tin which we discovered in Pelion, the most beautiful place in Greece we ever had been to.
唯一的一件欧洲饰品是我们购买自皮立翁山的可爱蓝色橄榄罐，那是我们到过的希腊最美的地方。
3.Then, having won the national competition, the team went on to win the international competition, piling Pelion upon Ossa.
于是，这个队在全国竞赛中取胜之后，还要继续在国际竞赛中获胜，步步提高。
4.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。
5.Fallacious assumption and method are piled upon each other like Pelion on Ossa.
谬误的假设和方法就像佩利翁山叠到奥萨山上那样层出不穷。