【The Origin of Suffering】- The specific definitions of the ten afflictions - Ignorance 

【4) Ignorance means possessing the affliction of misunderstanding on account of a mind that is unclear about the nature of the four truths, karma and its effects, and the three jewels.】 

This is called ignorance – not understanding the real truth. These four things (four noble truths) are the real characteristics of the mundane world. The real characteristic of everything in this world is suffering. But you don't understand that, you just feel there is suffering. There is a reason for this suffering, but you don't understand that either, you think...you would get it wrong and find a wrong cause for the sufferings. For instance, if we have suffering now, we should seek to understand the cause of the suffering and tackle the root. But we do not normally know this, do not normally know this. If we do know the cause of the suffering, then when others scold you, you would certainly tolerate it. Why? The reason he scolds me is due to a debt I owe him in the past. It would be fine after I repay it! But in reality, this is not what we would normally do. Why? It is because we do not know the cause of suffering.Therefore, this is the secondl—we do not know the cause of the truth either. At the same time, we whirl through cyclic existence without knowing. There is indeed suffering and you hope to thoroughly eliminate this. There is a method to thoroughly eliminate it and this is called the truth of cessation and the truth of the path. These are things that we are even more unaware of! 

SOURCE 来源 :

73A 10’13” Vol 10 of Master Jih-Chang’s Discourse P8 LL2
English Lamrim Vol 1 P299

日常师父法语📡73A 10’13”手抄稿第10册P8 LL2

希求解脱 : 烦恼别相-无明

【无明者，谓于四谛，业果，三宝自性，心不明了，染污无知。】

这叫作无明—对于真实的内容不了解。这个四样东西（四谛）是世间真实的行相，世间一切真实的行相是苦的，你就偏偏不了解，觉得这是苦。那个苦呢是有它原因的，你又不了解，以为呀……找错了非苦之因。譬如说，我们现在有苦了，应该了解这个苦的原因，从根本上面下手，但是我们平常都不知道的，平常都不知道的。假定我们知道苦的原因，人家来骂你一下的话，你一定忍受。为什么？欸，他所以骂我，我总是以前欠了他，还了就好了嘛！但是实际上呢，我们不会。为什么？因为我们不知道苦的原因，所以第二个，对这个事情的真相的因也不知道。同时呢，这流转固然不知道啊，说它的的确确苦，也像你所希望的把它彻底地净除，彻底地净除有它彻底净除的办法，这个叫灭谛、道谛，这是我们更不知道！