英语词组a waste of energy是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	a waste of energy
释义	a waste of energy A useless, vain, or redundant effort or action. It turns out the boss had already chosen a direction for the project, so my presentation was a complete waste of energy.
随便看	be (as) happy as a clam (at high tide) be as happy as a sandboy be as happy as Larry be as happy as Larry sandboy be (as) hard as nails be as hard as nails be a shell game be as high as a kite be a shining example be a shining example (of someone or something) be a shining example of something be as honest as the day be as honest as the day is long put (one) off the scent put (one) off the track put one off the track put (one) off the trail put one off the trail put (one) on put one on put one on a diet put (one) on a diet put one on a pedestal put (one) on blast put one on blast

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