When I read, did not understand the word? dikchan must be opening a demon out of sight for the meaning of the word is to understand the content, nice read good.
When I read, did not understand the words. The action must be diligent open dictionary meaning of the word. To understand the content readable just as good.
When I read that you don"t understand a word! Be diligent to open dictionary to find out the meaning of the word. To understand the content that can be read as well.