setback
/ˈsetbæk/noun
1
- a reversal or check in progress倒退; 挫折：
a serious setback for the peace process.
和平进程遭受的严重挫折。
2
- Architecture a plain, flat offset in a wall【建筑】壁阶。
3
- N. Amer. the distance by which a building or part of a building is set back from the property line〈北美〉（建筑物的）缩进距离。