请问：英语单词“无奈”怎么拼？

helpless

1.(无可奈何) cannot help but; have no alternative; have no choice: 出于无奈 , 我们只得照要求的做了。
We had no choice but to do what we were asked.

have to do something.,由于环境所迫。不得不做某事、

1.cannot help it; to have no alternative; to have no choice
2.but; however