希罕的英文：
cherish; rarity

参考例句：

Such a hailstorm was a rarity in that region
这样的冰雹在那个地区可是希罕。

Snow in October is nothing strange in northeast China
十月下雪在东北不是什么希罕的事。

De Chambrun discussed this odd German solicitude for Jastrow with his wife.
戴·尚布伦伯爵和他的妻子说起了德国人对待杰斯特罗的这种希罕的关怀。

cherish是什么意思：
v. 珍爱；钟爱；抱有；怀有

We cherish you and your quality.
我们珍视你和你的能力。

To treat fondly,kindly,or favorably;cherish.
珍爱深情、友善或宠爱地对待;珍爱

Bertha cherishes the memory of your poor mother.
伯莎怀念已故令堂

These fine impression will remain forever in our cherished memories
这些良好的印象将永远珍藏在我们美好的记忆中

We must cherish experience acquired at the cost of blood.
我们必须珍惜用血换来的经验。

rarity是什么意思：
n. 稀有，罕见，稀罕的东西，珍品，稀有物

Such gallantry in men is sadly a rarity.
这般殷勤的男人世间少有。

Rain is a rarity in the desert.
在沙漠中雨是罕见的。

No one discovers a rarity by chance.
侥幸发现一件珍品的人是没有的。

Movie is a rarity in countryside.
电影在农村十分罕见。

These points fully attest to the rarity of the painting.
这也说明此图珍贵之所在。