| 单词 | 无功而返 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔empty-handed〕Blair returned empty-handed after a series of embarrassments and diplomatic setbacks.在经历了一系列尴尬和外交挫折后, 布莱尔无功而返。外研社新世纪〔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〔snipe hunt〕A futile search or endeavor.徒劳无功：无功而返的找寻或努力美国传统〔turn〕Our efforts to trace him turned up nothing.我们辛辛苦苦跟踪他，却无功而返。牛津高阶 |
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