梦想就是在梦里
[mèng xiăng jiù shì zài mèng lĭ]
"MengXiang Jiu Shi Zai Meng Li" implies that 'a dream only exists within dreams', reflecting a pessimistic sentiment that one's goals or aspirations may seem unrealistic or unachievable in reality, thus can only happen within their own imagination or in a perfect world.