求英语大牛帮忙翻译句子!跪谢!用所给词或短语!1、政府下决心无论如何要避免食品价格陡然上涨（at all costs ）

1 The government is determined to avoid sudden rise in food prices at all costs 2 He tried his best to save that near-drowning boy,but in vain.3 That region's pollution is severe ,and the villagers amost couldn't find fit water.准确无误,楼主可以看下