clean·up /ˈkliˌnʌp/
  清除
  cleanup
  清理
  cleanup
       n 1: a very large profit [syn: killing]
       2: (baseball) the fourth position in the batting order (usually
          filled by the best batter on the team) [syn: cleanup
          position, cleanup spot]
       3: the act of making something clean; "he gave his shoes a good
          cleaning" [syn: cleaning, cleansing]