2 sentences

1. 他的这种大无畏的气概令人敬佩。

   tā de zhè zhǒng dà​wú​wèi de qì​gài lìng rén jìng​pèi.

   His dauntless spirit is admirable.

   Source: Dong Chinese Dictionary

2. 他展现出了一种不屈不挠的英雄气概。

   tā zhǎn​xiàn chū le yī zhǒng bù​qū​bù​náo de yīng​xióng qì​gài.

   He displayed an indomitable heroic spirit.

   Source: Dong Chinese Dictionary