empire-building

n [U] (often derog 常作贬义) process of deliberately acquiring extra territory, authority, etc. 扩张领土、 权力等.

emotion, emotional, emotionally, emotionless, emotions, emotive, empanel (also impanel), empathetic, empathize, empathy, emperor, emphasis, emphasise, emphasize, emphasize, emphasise, emphasizing, emphatic, emphatically, emphysema, empire, empirical, empirically, empiricism, empiricist, emplacement, employ, employ oneself in, employable, employee, employer, employment, employment agency, emporium, empower, empress, empties, emptiness, empty, empty into, empty of,