adj.不屈不挠的，果敢的，坚定的，不畏缩的

He maintained an unflinching gaze, never once averting his eyes from the task at hand.
他保持着坚定的目光，始终没有把视线从手头的任务上移开。
Despite the danger, she showed unflinching bravery in defending her home.
尽管危险重重，她保卫家园时表现出坚定不移的勇气。
The soldier's unflinching loyalty to his country earned him numerous accolades.
这位士兵对其国家坚定不移的忠诚为他赢得了诸多赞誉。
His unflinching commitment to environmental protection is truly inspiring.
他对环境保护坚定不移的承诺确实令人鼓舞。
She faced the challenge with an unflinching determination to succeed.
面对挑战，她以坚定不移的决心去争取成功。
The detective pursued the case with an unflinching focus, leaving no stone unturned.
侦探对这个案件穷追不舍，毫不松懈，不遗余力。
In the face of adversity, he demonstrated an unflinching optimism that kept everyone going.
在逆境中，他展现出坚定不移的乐观精神，激励着所有人继续前进。
The athlete's unflinching discipline and rigorous training regimen led to her Olympic gold medal.
运动员坚定不移的纪律和严格的训练计划使她获得了奥运金牌。
The teacher's unflinching belief in every student's potential fostered a supportive learning environment.
教师对每位学生潜力坚定不移的信念营造出一个支持性的学习环境。
With an unflinching willpower, she overcame her addiction and started a new life.
凭借坚定不移的意志力，她战胜了毒瘾，开始了新生活。