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夸夸其谈，汉语成语，指浮夸空泛地大发议论，形容说话浮夸，不切合实际。可以翻译为“indulge in empty talk；talk big；talk excitedly and boastfully”。英文俗语“bag of wind或wind bag”可以表示“夸夸其谈的人”。
例句：
有人告诫我不要把艾文斯的话太当真，因为他这个人就喜欢夸夸其谈。I was warned not to take too seriously what Evans said because he was such a wind bag.
我们不喜欢那种夸夸其谈， 不干实事的人。We dislike those who talk big and do nothing.
