Asia's development achievements today are the result of the persistent efforts of the industrious and talented Asian people.

亚洲如今的发展成就，是勤劳且有才华的亚洲人民不懈努力的结果。

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The goal has now been finally attained through their dauntless and persistent efforts.

经过他们百折不挠，再接再励的努力，现在终于达到了目的。

《新英汉大辞典》

Persistent efforts were involved in completing the work.

完成该工作需要持续的努力。

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Recent and persistent efforts by minor parties to get fairer access to the ballot have borne some fruit.

ECONOMIST: Ballot access: Climb every mountain | The

Notwithstanding the determined and persistent efforts by shareholder advocates and corporate governance watchdogs, most shareholders act sheepishly in the face of the self-appointed board members and executives who monopolize power.

FORBES: SEC's Political Disclosure Proposal Will Improve Corporate Governance

Sharon from The New York Times was especially persistent and her efforts occasionally paid off.

CNN: Blitzer in North Korea: Life in a tinderbox