快到山顶时，我们有幸看到了难得一见的景象。

As we approached the summit we were vouchsafed a rare vision.

《柯林斯英汉双解大词典》

几乎所有这些珍贵的作品都被保存在大学和修道院的图书馆里，外人难得一见。

Almost all these treasured works are housed in university and monastery libraries where they are seldom seen by outsiders.

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“作为摄影师，我一直有种拍摄别人难得一见动物照片的冲动。”他说。

As photographer, I've always been driven to bring photographs of animals one hardly ever sees, "he said."

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