英语词汇“flat as a tack”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	flat as a tack
释义	flat as a tack (as) flat as a tack Demoralized or unenergetic. She's been flat as a tack ever since she heard that she didn't get into her top choice school.See also: flat, tack flat as a tack in very low spirits or lacking in energy. informal The idea underlying the expression is of a tack that has been hammered in so that none of it protrudes.See also: flat, tack
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flat as a tack