梦到醒不来的梦看到看不见的景
[mèng dào xĭng bù lái de mèng kàn dào kàn bù jiàn de jĭng]
This username translates literally to 'A dream one can't wake up from; a scene one can't see.' It reflects a person who enjoys living in his/her ideal world, perhaps finding real life less satisfactory and more comfortable with fantasy.