One of the engineering firms working on the problem suggested some last ditch efforts to save the structure.

一家致力于解决这个问题的工程公司建议采取最后的努力来挽救结构。

I don't wear them very often, for me a hat is like a last ditch effort to save a bad hair day, like I woke up late, I have to go or I'll miss the bus, okay here's a hat.

我不太常帽子，对我来说帽子就是挽救糟糕发型的最后方法，比如我起晚了，我要赶紧出门，否则就会错过公交车，那我就会戴上帽子。