If you describe something or someone as formidable, you mean that you feel slightly frightened by them because they are very great or impressive.
例句
We have a formidable task ahead of us...我们面临着一项艰巨的任务。Marsalis has a formidable reputation in both jazz and classical music...马萨利斯在爵士乐和古典音乐领域都有极高的声望。
英汉词典释义
adj.
可怕的, 令人畏惧的
He met with a woman with a formidable appearance.他遇到了一个样子可怕的女人。
难以克服[对付]的
There's no formidable obstacles in the world.世上没有无法逾越的障碍。
英英词典释义
Adjective
1. extremely impressive in strength or excellence;
"a formidable opponent""the challenge was formidable""had a formidable array of compositions to his credit""the formidable army of brains at the Prime Minister's disposal"
2. inspiring fear;
"the formidable prospect of major surgery""a tougher and more redoubtable adversary than the heel-clicking, jackbooted fanatic"- G.H.Johnston"something unnerving and prisonlike about high gray wall"