Meaning: riding a donkey to read a song book means riding a donkey while watching, and watching is watching, so it means walking while watching, that is, "watching while walking."
We will see:
Basic explanation: wait and see. Wait a minute before you come to a conclusion. See you later.
Explain in detail: let's try to see what things will become. It means an uncompromising tone, which is confident and foresees the inevitable result of things.
In fact, most people say: wait for me, wait for me XXX, I want you to look good in it and make me feel threatened.
So what is related to a word is actually an extension of the conclusion we will see from the superficial meaning of riding a donkey to express what we want to say, concise!