It's, in fact, a broken goblet from the children's playhouse.

实际上，它是孩子们游戏房里的坏了的高脚杯。

耶鲁公开课 - 现代诗歌课程节选

..I have kept hidden in the instep arch Of an old cedar at the waterside A broken drinking goblet like the Grail Under a spell so the wrong ones can't find it, So can't get saved as Saint Mark says they mustn't.

我还保存着一只坏了的高脚酒杯,埋在水边的一棵老树底下,像受了符咒的圣杯,使坏人找不到，如圣马可所说：他们因此不能得救。

耶鲁公开课 - 现代诗歌课程节选