无功翻译

英语翻译：

【电】 reactive

例句：

* 了整整一个周末才完成任务，但我连一句感谢的话也没得到，真是徒劳无功。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.医生们曾竭尽全力抢救他的生命，但却徒劳无功。The doctors tried everything to keep him alive but to no avail.

分词翻译：

无的英语翻译：

naught; nonexistence; not; nothing; without; lack; zero
【医】 a-; leipo-; lipo-; non-

功的英语翻译：

exploit; merit; result; skill; work
【化】 work