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形容詞
- 1. not successful an unsuccessful transition period 同義詞 failed, without success, abortive, misfired, vain, ... 更多in vain, futile, useless, pointless, worthless, nugatory, ineffective, ineffectual, inefficacious, unavailing, fruitless, profitless, unproductive, thwarted, balked, frustrated, foiled, archaicbootless, unprofitable, unprosperous, loss-making, failed, losing, beaten, unlucky, luckless, out of luck, unfortunate, ill-starred, fated, ill-fated, ill-omened反義詞 successful, profitable, winning
adj.
not successful: an unsuccessful attempt to enter Parliament
Oxford Dictionary