| 释义 |
vain UNSUCCESSFULveInadj-er, -est unsuccessful or useless; of no value不成功的;无效的;没有意义的The community leaders called the attacks 'vain and futile'.社区领导们称那些攻击都是“无效徒劳的”。She made a vain attempt to persuade him to lend her the money.她想说服他借钱给她，结果没有成功。The doctors are giving him more powerful drugs in the vain hope that he might recover.医生们在给他增强药力，徒劳地指望他能够恢复。(fml) It was vain to pretend to himself that he was not disappointed. [+ to infinitive]对自己装作没有感到失望是没用的。If something is in vain, it is unsuccessful.徒然，白费的We put tables and chairs out in the garden but it started to rain and all our efforts were in vain.我们把桌子和椅子都摆到了花园里，天却下起雨来了，因此我们的力气全都白费了。If you do something in vain, you do it unsuccessfully or uselessly.没做成的，白费力的They tried in vain to take the gun away from him.他们想将他的手枪下掉，但是没有成功。The police looked for him in vain.警察追捕过他，但没有成功。If this fighting finally brings peace to the area, the soldiers will not have died in vain.假如这次战斗最终给这个地区带来和平，那些士兵也算没有白死。
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