经济学人下载:美国中期选举将至 全民医保项目何去何从?(2)

1.bring down 使垮台
They were threatening to bring down the government by withdrawing from the ruling coalition.
他们威胁要退出统治联盟以让政府垮台。
2.shore up 支持
The democracies of the West may find it hard to shore up their defences.
西方的民主国家可能发现很难加固自己的防御。