a clean sweepa) WINa very impressive victory in a competition, election etc 〔在比赛、选举等中〕大获全胜a clean sweep for All the polls had pointed to a clean sweep for the Democrats. 所有民意调查都显示民主党将大获全胜。
Hopes that the French would make a clean sweep at the Games were dashed. 法国在运动会上大获全胜的希望破灭了。
b) CHANGE/MAKE something DIFFERENTa complete change in a company or organization, often by removing people 〔公司或机构的〕大换班,大改变
a clean sweep• Lismore's minor outfit were beaten 21-14 by Notra Dame to destroy chances of a clean sweep.• The poll also pointed to a clean sweep for the Democrats in elections for lieutenant-governor and attorney-general.• Lewis, Burrell, and Mitchell made it a clean sweep for the U.S. in the 100 meters.• Now is the time to make a clean sweep of all the jobs you put off during the bad weather.• But he failed to achieve a clean sweep of the end-of-season awards.• I had made up my mind at the Scenic Overlook to make a clean sweep through the house.