Dickon and Mary had come upon a whole clump of crocuses burst into purple and orange and gold.

狄肯和玛丽发现一簇番红花突然冒出了紫色、橙色和金色的花朵。

They come upon a clump or something, and they sort a circle of it to see whether it's more digestible.

他们碰到一个团块或其他东西，然后将其围起来，观察它是否更容易消化。

Therefore great evils have come upon the land.

因此，可怕的邪恶已经降临大地。

IT IS rare to come upon a child prodigy in art collecting.

艺术收藏界的神童实属罕见。

I tell you the truth, all this will come upon this generation.

我实在告诉你们，这一切的罪，都要归到这世代了。