1.manna from heavenGETsomething very good that you get when you did not expect to, just when you really need it 天赐之物;意外收获
Examples from the Corpus
manna from heaven• The letters are manna from heaven, filling my time and recharging my batteries.• The activities of illegalimmigrantvessels were as manna from heaven to the media who naturally gave them much publicity.• The hijab is manna from heaven for politicians facing crises.
2.RRCthe food which, according to the Bible, was provided by God for the Israelites in the desert after their escape from Egypt 吗哪〔《圣经》中以色列人逃离埃及后在荒漠中所得的神赐食物〕