unflagging
adj. 不倦的,持续的,不松懈的
If you describe something such as support, effort, or enthusiasm as unflagging, you mean that it does not stop or get less as time passes.
He was sustained by the unflagging support of his family...
他得到了家人不断的支持。
...unflagging optimism...
不变的乐观
1. showing sustained enthusiastic action with unflagging vitality;
2. unceasing;
The book is not one word too long and its narrative pace is unflagging.
这本书文字简洁,叙事流畅。
But market pressures are real and unflagging.
不过市场的压力却是真真切切,无可躲避.
A persevering mind is one of the skills of carefully and unflagging practice.
恒心早起既是锻炼殷勤不懈的功夫之一.
Remember that through desire, Goal setting and unflagging effort you can have anything you want.
记住,有愿望 、 有目标、有不懈的努力,你就能得到你想要的任何东西.