| 单词 | an exercise in futility |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔USELESS〕Signing a trade agreement would be an exercise in futility. 签订贸易协定是徒劳之举。朗文写作活用〔exercise in futility〕The negotiations turned out to be an exercise in futility. [=the negotiations were not successful or worthwhile] 这些谈判结果都是无功而返。韦氏高阶 |
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