无奈 两字英文百分百准确

cannot help but
have no choice
have no alternative
however,but

e.g.We had no choice but to do what we were asked.
He would have helped us but that he was short of money at the time.

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

sb has no idea.