There was a conflux of emotions and thoughts in him that would not let him either give thorough way to his anger or persevere with simple rigidity of resolve.

他的情绪和思想交织在一起， 既不能让他彻底发泄怒火， 也不能以单纯的刚毅决心坚持下去。

In a rare interview, Mr. Sharif told the BBC that he may take another two to three rounds of negotiations before progress was made, but that he would persevere with his strategy.

在一次罕见的采访中，谢里夫先生告诉 BBC，他可能会在取得进展之前再进行两到三轮谈判，但他会坚持他的策略。

Recognizing that I was able to look at such issues in a different way, helped me to find the tenacity to persevere with mastering the practical side of my scientific studies rather than letting my physical limitations stop me.

认识到我能够以不同的方式看待这些问题，帮助我找到了坚持不懈地掌握科学研究实践方面的毅力，而不是让我的身体限制阻止我。