He is a redoubtable fighter.
他是一位可敬的战士。
辞典例句
But Mr. Feng, knew what a redoubtable player the old man was and said nothing.
冯先生晓得刘四爷的厉害,没敢接碴儿.
汉英文学 - 骆驼祥子
"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"
"redoubtable scholar of the Renaissance"
"born of a redoubtable family"