spare no effort汉语翻译：
不遗余力, 尽力例句：

I can assure you we've spared no effort and spent quite a sum of money in pushing the sales of your products.我可以向你保证在推销你方产品时，我们从没放松努力，并且动用了大量的资金。

As your agent we shall spare no effort to promote the sale of your slippers on our market.作为你方代理我们将不遗余力地在我们的市场上推销你们的拖鞋。