柯林斯詞典unavailing /??n??ve?l??/ 1. ADJ An unavailing attempt to do something does not succeed. 不成功的 Efforts to reach the people proved unavailing. 接近人群的努力被證明是不成功的。 返回 unavailing劍橋詞典When an attempt to do something is unavailing, it is unsuccessful or has no positive effect . 徒勞的，無(wú)成果的 Diplomatic efforts at peace-making have so far proved unavailing. 調(diào)停爭(zhēng)端的外交努力到目前為止被證明是徒勞的。 返回 unavailing