| 词汇 | futile |
| 释义 | futile /ˈfjuːtaɪl; (US) ˈfjuːtl/ adj.1. 无用的；徒劳的All his attempts to unlock the car were futile, because he was using the wrong key.他多次尝试打开车门，但都不得要领，因为他用错了钥匙。 2. 无价值的（人） |
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