/'fɔ:mɪdəbl; `fɔrmɪdəbl/
adj
1 causing fear or great anxiety; frightening; awesome 引起恐惧或不安的; 可怕的; 可畏的
*a formidable appearance, look, prospect 可怕的外表、神情、景象.
2 difficult to deal with or overcome 难以应付的; 难以克服的
*formidable obstacles, opposition, debts 难以逾越的障碍、难以克服的反对力量、难以偿还的债务
* a formidable task 艰巨的任务.
3 inspiring awe and respect because of excellence and strength; very impressive 极好极强的; 了不起的; 令人敬畏的; 惊人的
*a formidable athlete, competitor, list of qualifications 杰出的运动员、强大的竞争对手、了不起的资历.

adj
[Date: 1300-1400; Language: Latin;Origin: formidabilis, from formido 'fear']
very powerful or impressive, and often frightening
　The building is grey, formidable, not at all picturesque.
　The new range of computers have formidable processing power.
difficult to deal with and needing a lot of effort or skill
formidable task/challenge
　the formidable task of local government reorganization
>formidablyadv