To adorn a clay figure with gold; figuratively, to superficially imitate or embellish something, giving it an outwardly splendid appearance but lacking true substance, quality, or value.
他的报告文字华丽，但观点陈旧，不过是土偶蒙金，毫无新意。
His report was adorned with florid language, but the ideas were stale; it was merely a clay idol covered in gold, completely lacking in novelty.
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