2N-PLURAL 彩灯;灯饰Illuminations are coloured lights which are put up in towns, especially at Christmas, in order to make them look attractive, especially at night. 彩灯;灯饰 [mainly British]
...the famous Blackpool illuminations.
著名的布莱克浦彩灯节
3N-UNCOUNT 觉悟;启发;精神启示 You can use illumination to describe an increased understanding of something, especially something of a religious or spiritual nature. 觉悟;启发;精神启示 [formal]
...a sense of illumination.
顿悟
No further illumination can be had from this theory.