We need to spare no effort to do that.

我们必须不遗余力地这样做。

youdao

For new product research and development, we have to spare no effort.

对于新产品的研究及开发，我们更不遗余力。

youdao

We are supposed to spare no effort to bring home to people the importance of raising/arousing their awareness of environmental protection.

我们应该不遗余力地让大家明白提高环保意识的重要性。

youdao

You must love loyal advisors and servants, whether they be foreigners or our own people, and spare no effort to serve the common good."

你一定要热爱俄国那些忠诚的大臣和臣民,不管他是来自外国还是国内,同时你也必须不遗余力地为公共利益服务"

耶鲁公开课 - 欧洲文明课程节选

But as President of the United States, I'm going to spare no effort to respond to this crisis for as long as it continues.

WHITEHOUSE: President Obama Speaks on NYC Incident and BP Oil Spill in Louisiana | The White House

He has been meeting regularly with the entire federal team that has been coordinated by Administrator Fugate, and directed them to spare no effort, to lean forward in their response to the storm and in the provision of assistance to states and localities that have been affected by the storm.

WHITEHOUSE: The White House

Recalling the Major Economies Declaration adopted in Toyako, Japan, in July 2008, and taking full account of decisions taken in Bali, Indonesia, in December 2007, we resolve to spare no effort to reach agreement in Copenhagen, with each other and with the other Parties, to further implementation of the Convention.

WHITEHOUSE: THE WHITE HOUSE