Fish ashore is an idiom that describes people leaving the boat in an orderly manner, just as fish jump out of the water in turn. This idiom is often used to describe a scene of an orderly and organized evacuation or transfer, such as an army retreat, a transfer of personnel, etc.
In ancient warfare, armies tended to choose an orderly way of evacuation when retreating to avoid confusion and losses. As a result, the idiom "fish ashore" was used to describe the orderly and orderly state of the troops when they withdrew. Later, the idiom evolved into a commonly used adjective phrase that can be used to describe any scene of leaving or transferring in an orderly and organized manner.
In addition to describing the retreat of the army, "fish ashore" can also be used to describe people leaving ships, vehicles and other means of transportation in an orderly manner, or to describe people entering a place or area in an orderly manner. For example, "tourists came ashore in an orderly manner to visit the museum. This phrase describes the scene of tourists leaving the ship in an orderly manner and entering the museum.
In conclusion, "fish ashore" is a vivid idiom that can be used to describe a variety of orderly and organized departures or transfers.