無功

英文翻譯

例句：

1. * 了整整一個周末才完成任務，但我連一句感謝的話也沒得到，真是徒勞無功。
   I worked all weekend to finish the job and didn't get so much as a word of thanks; I was a fool for my pains.
2. 醫生們曾竭盡全力搶救他的生命，但卻徒勞無功。
   The doctors tried everything to keep him alive but to no avail.

無功漢語解釋：