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- All his efforts were wasted. 他的所有努力都白费了。
- He tried and tried but all his efforts were of no avail. 他试了又试，但一切努力都不起作用。
- All his efforts were without avail. 他的所有努力都是徒劳无益的。
- All his efforts were thrown away. 他的一切努力都白废了。
- All his efforts were wasted 他的所有努力都白费了。
- All our previous efforts were wasted because of his imprudence. 他的轻率使我们前功尽弃。
- At last his efforts were coming to fruition. 他的努力终于逐渐取得了成效。
- All his efforts were fruitless. 他的一切努力都白费了。
- All his efforts culminated in failure. 他的努力最终失败了。
- His efforts were brought to naught when the war broke out. 战争爆发，使他的一切努力付诸东流。
- All our efforts were wasted. 我们全部的努力都白费了。
- His efforts were defeated by the forces of reaction. 他的努力被反动势力挫败。
- If his plan isn't approved of by the Committee, all his work will have been wasted. 如果委员会不同意他的计划，他便前功尽弃了。
- All his efforts were in vain. 他的一切努力都归无效。
- All his efforts avail to nothing. 他的一切努力都归无用。
- All his efforts proved of little avail. 他的一切努力收效甚微。
- His efforts were hamstrung by her one remarks. 她的一句话使他的一切努力付之东流。
- It gives him great satisfaction that his efforts have not been wasted. 得知他的努力没有白费，他感到很满意。
- All his efforts went for nothing. 一切努力都白费了。
- He put all his efforts into this job. 他把所有精力都放在工作上。
