insuperable
🇺🇸
/ɪnˈsuːpərəbl/
🇬🇧
/ɪnˈsuːpərəbl/
impossible to overcome or deal with
The team faced an insuperable challenge when their star player got injured.
當他們的球星受傷時,團隊面臨了一個無法克服的挑戰。