Calligraphy, how to pronounce these four words, online and so on, thank you.

Judging from his rightmost explanation, it says "simple and honest". But the last natural word of the four Chinese characters he wrote was written as a difficult word under the grass, namely:? The sound of the word: nan, the word itself is meaningless. This shows that this person belongs to the kind of ignorant, mysterious and pretentious person!

difficult

In that way

Now some people begin to fidget after learning superficial knowledge, instead of really studying knowledge, they look up some uncommon, unusual and rare writing styles in the dictionary and paint them as so-called calligraphy to fool people, so as to show their intelligence and knowledge. In fact, sometimes I don't know what I wrote wrong, which is ridiculous!