The diadem is the symbol of royalty.

王冠就是王权的象征。

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"Professor," Harry said, approaching the little Charms master, "Professor, I'm sorry to interrupt, but this is important. Have you got any idea where the diadem of Ravenclaw is?"

“教授，”哈利走到小个子的魔咒课教师面前，说道，“教授，很抱歉打断你，但事情很重要。你知道拉文·克劳的冠冕在哪儿吗？”

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The roof is formed of shells, that open and close as the water flows over them. Their appearance is very beautiful, for in each lies a glittering pearl, which would be fit for the diadem of a queen.

不过屋顶上却铺着黑色的蚌壳，它们随着水的流动可以自动地开合。这是怪好看的，国为每一颗蚌壳里面含有亮 晶晶的珍珠。随便哪一颗珍珠都可以成为皇后帽子上最主要的装饰品。

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The Diamond Diadem, made for the famously extravagant coronation of George IV in 1821, has been worn by the queen to and from the State Opening of Parliament throughout her reign.

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The tiara is an Asprey re-creation of the Queen's diamond diadem which she wore on the way to her coronation in 1953.

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He adopted as his name glyph (personal insignia) a knotted diadem, the symbol of authority itself.

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