The baby eagle spread its wings and tried on its new feathers.

The second part is easy to understand, that is, the newborn baby eagle spreads its wings and flies in the sky. It can be understood that newborn calves are not afraid of tigers.

In the first part, Ai Jun refers to people with both ability and political integrity. Writing with a brush is writing with a pen. Feng Gong refers to Gong Xue and the College. Picking Qin Xiang, Qin Tong is "diligent", which means hard work. So the second couplet means that only talented people can write books and study hard in the academic hall.

Therefore, if we put the whole couplet in modern times, it can be understood that a college student has excellent academic performance at school, and he has entered the workplace after graduation, not afraid of difficulties, and he is anticlimactic.