The Mackinnon household became my lifeline.麦金农一家成了我的生命支柱。

I cannot praise the support group highly enough. It was a lifeline.语言不足以表达我对互助小组的高度赞美。它是我的生命线。

Information about the job market can be a lifeline for those who are out of work.有关就业市场的信息可能会成为那些失业者的生命线。

The new policy throws a lifeline to millions of home buyers who were struggling to pay their mortgages.新政策给数百万努力支付按揭贷款的购房者提供了摆脱困境的方法。