更努力不懈的英文怎么说

"更努力不懈"可以用英语表示为"redouble one's efforts"或者"never give up". 这个短语来源于拉丁文"redouble"和"never give up"，都表示努力或再加献力的意思。

下面是一些例句：

He redoubled his efforts to learn Engpsh and finally passed the exam. 他加倍努力学习英语，最终通过了考试。

She never gives up on her dreams, no matter how difficult they may seem. 她从不放弃自己的梦想，无论它们看起来有多困难。

He redoubled his efforts to improve his health and began exercising every day. 他加倍努力改善自己的健康状况，开始每天锻炼身体。

She never gives up on her goal of becoming a successful businesswoman. 她从不放弃成为成功女商人的目标。