资料来源 : pyDict

副业,旁线,界线,兼职,旁观者的看法使退出比赛场地

资料来源 : WordNet®

sideline
     n 1: a line that marks the side boundary of a playing field [syn:
           {out of bounds}]
     2: an auxiliary line of merchandise
     3: an auxiliary activity [syn: {avocation}, {by-line}, {hobby},
         {spare-time activity}]