muscle-flexing
noun [ U ] uk/ˈmʌs.əlˌflek.sɪŋ/ us/ˈmʌs.əlˌflek.sɪŋ/
军事（或政治）实力的显示
a public show of military or political power that is intended to worry an opponent
Opposition groups fear violence, after weeks of military muscle-flexing from the government. 政府进行了几周的军事实力展示以后，反对派担心会发生暴力事件。