魚肉

flesh of fish / fish and meat / (fig.) victims of oppression / (fig.) to cruelly oppress (i.e. to treat like flesh to be carved up)

surname Yu

fish / CL:條|条[tiao2],尾[wei3]

meat / flesh / pulp (of a fruit) / (coll.) (of a fruit) squashy / (of a person) flabby / irresolute / Kangxi radical 130

butchering one another as fish and flesh (idiom); killing one another / internecine strife

to prey on the people

lit. to be the meat on sb's chopping block (idiom) / fig. to be at sb's mercy