1·Here was the source of my mother's indomitable spirit which shone strongly even in her last years.
事实上，这也是我的母亲不屈不挠精神的来源，甚至就在去年，这一点再次显现了出来。
2·But nowadays Daqing is no longer living testimony to China's indomitable spirit of self-reliance.
但是今天，大庆不再是中国不屈不挠的自力更生精神的活生生的证明了。
3·Intellectual endowments, internal drive, diligent working attitude and indomitable spirit all are prerequisites of the success of scientific research.
缦聪明的天资、内在的动力、勤奋的工作态度和不屈不挠的精神，这些都是科学研究成功的前提。
4·Today, we are called to remember not only the day our country was born - we are also called to remember the indomitable spirit of the first American citizens who made that day possible.
今天，时代呼唤我们不仅要记住祖国诞生的日子，更要记住缔造这一日子的美国先民具有的不屈不挠的精神。
5·But I still drive to perform the full duty, indomitable.
但我仍然劲头十足地履行天职，不屈不挠。