曇花一現

tánhuāyíxiàn

as short-lived as the broad-leaved epiphyllum, (figuratively) something extremely rare; a flash in the pan

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tan2 hua1 yi1 xian4

lit. the night blooming cactus shows once, flash in the pan (idiom), short-lived

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曇花一現|昙花一现 [tán huā yī xiàn] ► lit. the night blooming cactus shows once ► flash in the pan (idiom) ► short-lived