left-hand·er /-ˈhændɚ/
  用左手的人,左撇子
  left-hander
       n 1: a baseball pitcher who throws the ball with the left hand
            [syn: left-handed pitcher, left hander, lefthander,
             lefty, southpaw]
       2: a person who uses the left hand with greater skill than the
          right; "their pitcher was a southpaw" [syn: lefty, southpaw]
  lefthander
       n : a baseball pitcher who throws the ball with the left hand
           [syn: left-handed pitcher, left-hander, left hander,
            lefty, southpaw]