When he was young he pedaled a rickshaw in Beijing.
Tips
usage
蹬 means 'to press down with the foot'. 蹬车 implies the human-powered version of a vehicle — bicycle or cycle-rickshaw 三轮车. For driving a car use 开车 kāichē; for riding one use 骑车 qíchē (bikes) or 坐车 zuòchē (as a passenger).