преодоление препятствий obstacles passage; passage of obstacles; obstacle negotiation
преодоление учебной полосы препятствий obstacle race
преодолеть препятствие force an obstacle; deal with an obstacle; leap an obstacle; bridge an obstacle; hurdle an obstacle; negotiate an obstacle; breach an obstacle; surmount an obstacle; overleap an obstacle; pass an obstacle
препятствие на ближних подступах close-in obstacle
препятствие на пути социального прогресса obstacles to social progress