1、a person of unflagging conscience
正義感堅定的人

2、Every time I left her side, I was energized by her courage and unflagging spirit.
每次從母親身邊離開，我都被她勇氣不懈的精神所鼓舞著。

3、In the literature of all countries we find an unflagging endeavour to keep alive this reverence.
在所有國家的文學(xué)作品里，我們都看到一種不懈的努力，使人們不斷地對勇敢表示敬仰。

4、Remember that through desire, Goal setting and unflagging effort you can have anything you want.
記住，有愿望、有目標、有不懈的努力，你就能得到你想要的任何東西。

5、too assertive as a salesman; his self-assertive and unflagging energy
太過自信，像個推銷員一樣；他那自信的、不屈不撓的精神。

6、He was sustained by the unflagging support of his family.
他有著來自家庭的持久的支持。

unflagging翻譯