persevere
verb [ I ] mainly approving uk/ˌpɜː.sɪˈvɪər/ us/ˌpɝː.səˈvɪr/
锲而不舍，坚持不懈
to try to do or continue doing something in a determined way, despite having problems
It looks as if the policy will be a success, providing that the government perseveres and does not give in to its critics. 看来如果政府锲而不舍，不向批评家屈服，这项政策就有可能成功。
The education director is persevering in his attempt to obtain additional funding for the school. 教育主管在坚持不懈地为该校争取更多资金。
Despite receiving little support, the women are persevering with their crusade to fight crime. 尽管得不到什么支持，这些妇女们仍然坚持与犯罪做斗争。