The first line:
Wild swans gradually reach the stream bank.
One's children endangered. There is talk.
No fault.
The second line:
Wild swans gradually reach the boulder.
Drinking and eating in bliss. Fortune.
The fourth line:
Wild swans gradually reach the wood.
Some find branches. No fault.
The sixth line:
Wild swans gradually reach a plateau.
Their feathers can be used for the rites.
Fortune.