名词 setback:

1. an unfortunate happening that hinders or impedes; something that is thwarting or frustrating

setv.放置；设定；确定；规定；调整；分配；(太阳)落下去；将（宝石）镶嵌到（某物）；配乐n.集合；组合；日落；一套；一副；一局比赛；舞台；姿态；头发的定型adj.规定的；固定的；不变的；做好准备的；固执的；不自然的Settan雪旦(姓,日本)

1. All their efforts at reform have been set back.
   他们所有的改革努力都遭受到挫折。
2. I bounce back from disappointment.
   我很快就能从挫折中恢复过来。