◆to be on the road
driver +在旅途中；(职业司机)在驾驶途中；(推销员)在到处奔走兜揽生意
to go back on the road
(start travelling again)重新上路；继续旅行
He got a new truck and went back on the road.他买了辆新卡车, 继续上路。
band, theatre company +在巡回演出
The Spice Girls were on the road once again.辣妹组合又一次在各地巡回演出。
tramp +到处流浪；过着流浪生活