劳而无功的英文

• toil with no gain; a fruitless attempt; all one's efforts came to naught.; exert oneself to no purpose; labour lost; lost labour; make futile efforts; much cry and little wool; toil in vain; work hard but to no avail

• 白费力气；劳而无功:    beat the air
• 劳而无功的多头:    stale bull
• 不劳而无获:    no pains , no gains
• 劳而无怨:    one lays tasks without repining
• 无功:    [电学] idle; idle work

例句与用法

1. The teacher 's attempts at enlightenment failed ; i remained as confused as before .
   老师虽尽力开导却劳而无功，我仍像以前一样糊涂。
2. He died for germany in the gigantic and futile operation called citadel .
   他在被称为“城堡”行动的一次大规模的劳而无功的战役中阵亡。
3. After years of frustrated efforts i was wild to accomplish things-and twenty-eight years old .
   过去几年，我劳而无功，到这时，已经二十八岁了心中怀着强烈的欲望，想有一番作为。
4. She tried to prevent the work from being done in vain
   她试图防止工作做得劳而无功。
5. Yet , all this work was for nothing
   然而，这些工作都是劳而无功。

其他语言

劳而无功的日语：〈成〉苦労が報われない.むだ骨を折る.
劳而无功的韩语：【성어】 노력하였으나 공이 없다; 헛수고하다.
劳而无功的俄语：[láo ér wúgōng] все труды пропали даром; напрасные старания
劳而无功什么意思：láo ér wú gōng 【解释】花费了力气，却没有收到成效。 【出处】《管子·形势篇》：“与不可，强不能，告不知，谓之劳而无功。” 【示例】不注意科学，一味地蛮干，结果必定是～。 【拼音码】lewg 【灯谜面】大网捕小鱼；耗子搬生姜；诸葛亮六出祁山扫雪填井 【用法】紧缩式；作谓语、宾语、定语；用于评价一个人做事的效果 【英文】work fruitlessly