set-back levee

例句：

1. 1. The construction of the set-back levee has been delayed due to unfavorable weather conditions.
   由于不利的天气条件，防洪墙的建设被推迟了。
2. 2. The project faced significant set-backs due to funding issues.
   由于资金问题，该项目面临重大挫折。
3. 3. The road was blocked by a large boulder, creating a set-back for the hikers.
   一块大石头挡住了道路，给徒步旅行者造成了阻碍。