redouble

音标发音

There isn't much time ahead, so we should redouble our effort.
来日无多，须加倍努力。
《新英汉大辞典》
So he should redouble efforts to forge a pact with the opposition, and push on with reforms.
所以，他应该加倍努力，力争与反对派达成协议，继续推行改革。
The currency wars are about more than one villain and one victim. Rather, redouble multilateral efforts behind the scenes, especially by bringing in the emerging countries hurt by China’s policy.
货币战争不仅仅只有一个恶棍和一个受害者，而多边的努力将会在背后加倍，特别是由于中国政策而被卷入其中受伤害的其他新兴市场。

He also has vowed to "redouble the company's commitment to quality."
You know sometimes when you're losing and you redouble and you keep hoping to win back what you've lost?
你们知道,有时你输了就会把赌注加倍,并且总想把失去的都赢回来
耶鲁公开课 - 金融市场课程节选
Experts suggest that while Muslim-Americans work to secure the best possible education for their children, they should also redouble their efforts to educate the American public about Islam and about how they are passing their faith on to the next generation.

To succeed, we must redouble our efforts to combat new forms of poverty and social exclusion.
UNESCO: Poverty is a Violation of Human Rights

If you redouble your efforts, you try much harder to achieve something. If something redoubles, it increases in volume or intensity.