fighting chance
noun [ S ] uk/ˌfaɪ.tɪŋ ˈtʃɑːns/ us/ˌfaɪ.t̬ɪŋ ˈtʃæns/
成功的一线可能;一线生机
a small but real possibility that something can be done
If we can raise enough money, there's a fighting chance (that) we can save the project. 如果我们能筹集到足够的资金，那么挽救这个项目还有一线可能。