bottom feeder

US /ˈbɑː.t̬əm ˌfiː.dɚ/
UK /ˈbɑː.t̬əm ˌfiː.dɚ/
"bottom feeder" picture
1.

底層食者, 底棲動物

an aquatic animal that feeds on the bottom of a body of water

:
Catfish are common bottom feeders in rivers.
鯰魚是河流中常見的底層食者
Many crustaceans are also bottom feeders.
許多甲殼類動物也是底層食者
2.

底層人士, 社會渣滓

a person or organization that is considered to be at the lowest level of society or a profession, often because they are poor or unsuccessful

:
He called his competitors bottom feeders, implying they lacked ethics.
他稱他的競爭對手為底層食者,暗示他們缺乏道德。
The company was accused of preying on bottom feeders with predatory loans.
該公司被指控透過掠奪性貸款剝削底層人士