光变幻不定。

Light changes and shifts.

youdao

我们只能想象出堕落的天使们带着暗淡的变幻的光，就像那个迟来的农民看到的那样。

We can only imagine the fallen angels with a kind of dim and uncertain light just as the belated peasant sees.

youdao

而幽暗地域并不知道春夏秋冬四季变幻，也没有光与暗的往复循环，但是卓尔仍然根据古代早已被遗忘的地表生活祖先们的规律生活着。

The Underdark did not know seasons and had no cycle of light and dark, but the drow still went about their business according to the ancient, forgotten rhythms of their light-dwelling ancestors.

youdao

We can only imagine the fallen angels with a kind of dim uncertainty just as the belated peasant sees, or perhaps he only dreams he sees, the dance of fairy elves by a forest side.

我们只能想象出堕落的天使们带着暗淡的变幻的光,正如他见到的，又或者是他梦见的，林边跳舞的精灵们。

耶鲁公开课 - 弥尔顿课程节选