ˌHoly ˈGrail noun 1 TRY TO DO OR GET something[singular] something that people want very much, but which is very difficult or impossible to achieve 难以实现[无法实现]的梦想Holy Grail of Nuclear fusion is the Holy Grail of energy production. 核聚变是能源生产方面一个遥不可及的梦想。
2. the Holy Grail the cup believed to have been used by Christ before his death 〔据信耶稣离世前使用的〕圣杯