giving you more information and understanding of something启迪的;使人增进知识的;使人获得教益的
That was a very enlightening programme.那个节目很有启发性。
The instruction manual that came with my new computer wasn't very enlightening about how to operate it.我新买的电脑所附的使用手册不是很有帮助,看了还是不懂怎样操作。