clean out
  打掃,清洗;耗盡某人的錢財,使某人囊空如洗
  clean out
       v 1: empty completely; "We cleaned out all the drawers" [syn: clear
            out]
       2: force out; "The new boss cleaned out the lazy workers"
       3: deprive completely of money or goods; "The robbers cleaned
          us out in a couple of hours"