The first line:
A sunken dragon.
Do not act.
The third line:
At day's end, the noble one is still diligent.
At night, he is alert to peril
and stays without fault.
The fourth line:
Someone may leap from the depths.
Be without fault.
The fifth line:
A dragon flying in the sky.
Gain by seeing a great person.
The sixth line:
A haughty dragon
will have regrets.