汉语翻译：
n. 妨害, 障碍详细解释：
hold.back
n.（名词）
The act of holding back.
制止，停止：暂时停顿的行为
Something held back.
被扣下的东西
A device that retains or restrains.
阻碍物：用来抑制或保留的装置
A strap or an iron between the shaft and the harness on a drawn wagon, allowing the horse to stop or back up.
马车上辕和挽具之间用来控制马停或后退的皮套或铁板