beat the air
基本解释
- 徒劳，白费气力
英汉例句
- His speech merely beat the air as his argument was not convincing at all.
他的演说一点用也没有，因为他的观点不令人信服。 - And the gander opened his strong wings and beat the air with them to show his power.
说完，它张开自己的大翅膀拍打着周围的空气，以此来表示自己有多么强大。
blog.sina.com.cn - large calm lakes there too, in which white swans were swimming, and beat the air with their wings.
木中还有静静的湖，湖里还有游泳着的白天鹅，它们在拍着翅膀。 - But perhaps most importantly, after a two-year break, you achieved that very first goal you set at the start of every season: You beat Air Force, you beat Army, and lugged this 170-pound trophy back to Annapolis.
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