白费的

It was a vain attempt by whites to make an 7Aboriginal child more like them.

白种人以为如此一来就可以把土著居民的孩子变得和他们大致一样，却不过是白费心机。

This last attempt proved to be abortive.

这个最后的尝试被证明是白费了。

All our efforts were of no avail.

我们所有的努力都白费了。

My boss tries to convince me , but his effort avails to nothing, because i have no such idea.

我老板想说服我当他的秘书，可是白费心力，因为我没有这个意愿。

My boss try to persuade me to be his secretary, however it avails to nothing as I don't want to be.

我老板想说服我当他的秘书，可是白费心力，因为我没有这个意愿。

I felt I lived not for myself but for them, because they would be gratified at my high grades and feel their painstakings did not go to waste.

我发觉我在为他们而活，我的好成绩能让他们很高兴，让他们觉得一切辛苦都没有白费。

I felt I lived not for myself but forthem, because they would be gratified at my high grades and feeltheir painstakings did not go to waste.

我发觉我在为他们而活，我的好成绩能让他们很高兴，让他们觉得一切辛苦都没有白费。

My boss want to convince me ,but it just beat the dead horse ,i had no intention to be his secretary.

我老板想说服我当他的秘书，可是白费心力，因为我没有这个意愿。

My boss tried to convince me, but he was beating a dead horse, because I had no intent

我老板想说服我当他的秘书，可是白费心力，因为我没有这个意愿。

I concluded that he laughed in derision of my efforts, confident of his own resources.

我想它是用笑声来嘲笑我白费力气，并且相信它自己是足智多谋的。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。