n.副业;兼职
Mr Rigsby was a night-watch man, and his wife eked out his wages by breeding budgerigars. 里斯比先生是个夜间守门人,他的太太以饲养小鹦鹉为副业补助家庭的收入。
Bob augments his income by doing window cleaning on the side. 鲍勃以擦窗户为兼职来增加其收入。