We need to spare no effort to do that.

我们必须不遗余力地这样做。

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。

Our goal is to spare no effort to make a kind of intelligent television.

我们的目标是全力打造智能型电视机。

We are going to spare no effort in saving lives; we are not going to let up.

我们就要尽全部力量救人，绝不会放松。

We are going to spare no effort in saving lives ; we are not going to let up.

我们就要尽全部力量救人，决不放松。