setback /ˈsetbæk/ n. ［c］ 挫折；失败；倒退；（疾病）复发: meet with many setbacks遇到许多挫折；suffer a setback遭受挫折；a temporary setback in sb’s fortunes某人一时走败运［考句］At first everything went well with the project but recently we have had a number of   setbacks with the machinery.开始时该项目进展顺利，但近来我们的机械出现了很多麻烦。The team has won 5 games,against 3 setbacks.该队五胜三负。