half-time
 半工半薪;休息時間
 half-time
      adj : involving half the standard or customary time for an
            activity; "he had two years of half-time training"
      adv : for less than the standard number of hours; "he works
            part-time" [syn: part-time] [ant: full-time]
 halftime
      n : an intermission between the first and second half of a game