gerrymandering
noun [ U ] uk/ˈdʒer.iˌmæn.dər.ɪŋ/ us/ˈdʒer.iˌmæn.dɚ.ɪŋ/
（为使某政党或人在选举中获得优势而）不公正划分选区
an occasion when someone in authority changes the borders of an area in order to increase the number of people within that area who will vote for a particular party or person
The boundary changes were denounced as blatant gerrymandering. 变更分界线的做法被抨击为赤裸裸的不公正划分选区行为。