Refers to an old woman marrying a high-ranking official, implying a brief and unexpected period of good fortune that does not last long; a temporary resurgence.
她本以为嫁给富商后可以过上好日子，没想到只是枯杨生华，好景不长。
She thought she could live a good life after marrying the rich businessman, but it turned out to be just like withered poplars blossoming, good times don't last long.
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