re-,表强调，doubt,怀疑，恐惧，-able,形容词后缀。即令人恐惧的，引申词义令人敬畏的。

1. He is a redoubtable fighter.

他是一位可敬的战士。

2. King Harold had great confidence in his redoubtable axemen.

哈罗德王对他手下威猛的刀斧手满怀信心.

3. The redoubtable American woman played her part.

可敬的美国妇女作出了其贡献.

4. 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.

5. He soon proved himself a redoubtable warrior, and won the respect of other soldiers.

他很快证明他自己是一个令人起敬的勇士, 并赢得了其他士兵的尊重.