Ok, so I'm going to try my best to answer this.
My best guess would be how he said that he was able to see his answer through whoever he is talking to, then lose it again. He understood and got something, then lost it's understanding. I sincerely hope this helps.. I'm sorry I'm not very good at explaining. ^^;
Answer:
Please give more detail
Explanation:
Please make the question more clear & easier for us to answer.