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。

柯林斯例句

But market pressures are real and unflagging.

不过市场的压力却是真真切切,无可躲避.

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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.

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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.

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