A fish in the pond
It's a Chinese idiom. Pinyin is Hu ò J ì NCH í y ú, which means it's said to bring disaster to the fish. It's a metaphor for being innocent and victimized. From Lao Sheng Lun.
The origin of Idioms
Lu Sidao's Lao Sheng Lun in the Sui Dynasty said that "lecherous punishment can be used to show off the evil, and the evil will be slandered, and the blood of the dragon will be saved."
Idiom usage
As a predicate, an object, or an attribute
A fish in the pond
be a restless fellow like a drifting water plant - fú zōng làng jì
liable to lay oneself open to suspicion - guā tián lǐ xià