fruitless
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adj. 不成功的，徒劳的；不结果实的
adj.
没有成果的，无益的；不结果实的；不成功的；白搭
英英释义
fruitless[ 'fru:tlis ]
adj.unproductive of success
"a fruitless search"
同义词：bootlessfutilesleevelessvain
双语例句
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。
权威例句
fruitless splicing specifies male courtship behavior in DrosophilaFruitless specifies sexually dimorphic neural circuitry in the Drosophila brain.
Fruitless and doublesex coordinate to generate male-specific neurons that can initiate courtship.
Male-specific fruitless specifies the neural substrates of Drosophila courtship behaviour.
Necrotizing enterocolitis--150 years of fruitless search for the cause.
The Sex-Determination Genes fruitless and doublesex Specify a Neural Substrate Required for Courtship Song
Extended reproductive roles of the fruitless gene in Drosophila melanogaster revealed by behavioral analysis of new fru mutants.
Aberrant Splicing and Altered Spatial Expression Patterns in fruitless Mutants of Drosophila melanogaster
Spatial, temporal, and sexually dimorphic expression patterns of the fruitless gene in the Drosophila central nervous system
Sexual orientation in Drosophila is altered by the satori mutation in the sex-determination gene fruitless that encodes a zinc finge...
fruitless (adj.)
mid-14c., "unprofitable," from fruit + -less. Meaning "barren, sterile" is from 1510s. Related: Fruitlessly; fruitlessness.
1. So far the search for the missing boy is fruitless.
对失踪男孩的搜寻至今仍无结果。
-- 来源 -- 英汉 - 辞典例句
2. His efforts to woo her to his side proved fruitless.
他试图说服她站到自己一边的努力徒劳无功。
-- 来源 -- 英汉 - 辞典例句
3. His struggles with adversity are fruitless.
他徒与不幸挣扎而毫无结果。
-- 来源 -- 英汉 - 辞典例句
4. Another half an hour passed, and the pursuit was still fruitless.
又过了半个钟头，他们的搜索仍然毫无结果。
-- 来源 -- 英汉 - 辞典例句
5. This fruitless quest was called alchemy by the Arabs.
这种无谓的的探索被阿拉伯人称作炼金术。
-- 来源 -- 英汉 - 辞典例句
6. It was a fruitless, harassing round.
这是枉费心机的，无可奈何的循环。
-- 来源 -- 英汉 - 辞典例句
7. His efforts were fruitless, however.
他虽然竭尽人事，仍无补于事。
-- 来源 -- 英汉 - 辞典例句
8. Tins took some temerity, but it was fruitless.
这件事做得有点莽撞，但结果还是无用。
-- 来源 -- 英汉 - 辞典例句
9. I feel how weak and fruitless must be any word of mine which should attempt to beguile you from the grief of a loss so overwhelming.
你的损失是沉重的，我觉得以任何言语来劝你节哀都是软弱无力，无济于事的。
-- 来源 -- 英汉 - 辞典例句
10. Combat attrition was taking a steep toll, and to send green replacements into the skies was fruitless.
战争的伤亡骤增，而向空中补充生手是无济于事的。
-- 来源 -- 英汉 - 辞典例句
fruitless
