等不及天亮等时光
[dĕng bù jí tiān liàng dĕng shí guāng]
The username conveys a sense of anticipation and longing. The person feels so eagerly waiting for the future that they can't wait until daylight. It reflects anxiety and hopefulness intertwined, where '时光' (shiguang, literally meaning time) implies not just hours passing, but experiences or moments awaited.