in·su·per·a·ble
adjective/ɪnˈsuːpərəbl/
/ɪnˈsuːpərəbl/
(formal)- (of difficulties, problems, etc.) that cannot be dealt with successfully
无法克服的；难以解决的；不可逾越的 Oxford Collocations DictionaryInsuperable is used with these nouns:- obstacle
- problem
Word OriginMiddle English (in the general sense ‘invincible’): from Old French, or from Latin insuperabilis, from in- ‘not’ + superabilis (from superare ‘overcome’).