invalid, ineffective, in vain 
vergeblich 
invano 
en vain 
en vano invalid, ineffective, in vain 17 无效 [無-] wúxiào (no-effect) invalid, ineffective, in vain: ~劳动labor in vain || ~合同invalid contract || 抢救~ fail to save the life '| Goethebuch | Vietnamese |
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