翁翁央央 is just an onomatopoeia for the crow's cawing. It functions like the English, "Fee fi fo fum, I smell the blood of an Englishman"

翁翁央央是拟声词，形容带着鞘子的鸽子，风吹过鞘子发出的声音。 意思：But how could I serve for my master,like some bootlicking pigeon?

哈哈哈，我也不懂。