Brrr. Oh, well done! You've really saved my bacon.

哦，了不起！你救了我一命。

How did it go? - Mr Gregson has saved my bacon. - But don't tell your mother.

玩得怎么樣 -格萊格森先生挽救了我可別告訴你母親。

Whether this approach actually will prove cheaper than the established alternatives, and whether, if it does, that will really save fossil fuels' bacon, remain to be seen.

这种方法是否真的会比现有的替代方法成本更低？如果是，那么它是否真的能够节约化石燃料，这一点还有待观察。