adj.無畏的；勇敢的；不屈不撓的

Those man are certainly possessed of dauntless courage. 那些都是天不怕地不怕的硬漢子。

They are all dauntless soliders. 他們都是勇敢的士兵。

Dauntless in spirit,they became steeled through hardship. 他們不屈不撓,在艱苦的生活中鍛煉得更加堅(jiān)強(qiáng)了。

With strong mind, we are dauntless and practicing hard in the torrid sun. 鐵骨錚錚，我們在火辣辣的太陽下不屈不撓，認(rèn)真練習(xí)。