The sail symbolizes the strength of the ship, the mast symbolizes the direction of the ship, and the fishy wind symbolizes the bad air. This means that I stumble on my way forward, and sometimes I even lose my way, and then the ugly words will wake me up. (it can also be compared to unpleasant words)
The following has a sublimation effect, making the situation worse with worse weather. Xianfeng said encouraging words to me.
This poem tells the hardships of the journey from the visual and auditory perspectives, and ultimately it depends on the sense of taste to identify the road for him. That is to say, don't be blinded by what you see and hear. You have to ask and find the answer yourself, and then you will "boatman, don't be afraid, I will take you home!"