obstacle race
race in which the runners have to climb over, under, through, etc various natural or artificial obstacles, such as hedges, ditches, tyres, etc 障碍赛跑.
He is not fit to command others that cannot command himself.
正人先正己。
Who could have imagined, in the mid 1970s, for example, that by the end of the 20th century, computers would be as common in people's homes as TV sets?