挥着翅膀的鱼 (huī zhe chì bǎng de yú) in Engpsh is "a fish with wings."

This phrase is not a common Engpsh idiom or expression and it is not clear where it originated from. It could be a translation of a Chinese phrase or it could be a phrase that was invented by someone.

Here are some example sentences in Engpsh using the phrase "a fish with wings":

"I saw a fish with wings swimming in the pond." (我在池塘里看到了一条挥着翅膀的鱼在游泳。)
"There are many myths and legends about creatures pke unicorns and fish with wings." (有很多关于独角兽和挥着翅膀的鱼之类的生物的神话传说。)
"The artist's depiction of a fish with wings was very imaginative." (艺术家对挥着翅膀的鱼的描述非常富有想象力。)