fruitless
adj. 不成功的；无结果的
副词：fruitlessly 名词：fruitlessness
近义词：futile，unproductive，ineffective，useless，unsuccessful，unrewarding，vain，bootless，worthless，unfruitful，idle，barren，unprofitable，ineffectual，abortive，infecund，infertile，sterile，unprolific，unremunerative，unavailing，unyielding，gainless，inefficacious，unpaying，profitless，pointless，negative，wasted，naught，for，sleeveless，
英英释义
Adjective
- unproductive of success;
"a fruitless search" "futile years after her artistic peak" "a sleeveless errand" "a vain attempt"
例句
用作形容词(adj.)
- Our efforts to persuade her proved fruitless.我们努力说服她，但毫无成效。
- His effort to woo her to his side prove fruitless.他试图说服她站到自己一边的努力徒劳无功。
- So far the search for the missing boy has been fruitless.到目前为止，还没有找到那失踪的男孩。
- Their negotiation was fruitless.他们的谈判没有结果。
- His struggle with adversity is fruitless.他徒与不幸挣扎而毫无结果。