unanswered

adj.

未予答复的；无反应的；无回报的；

1. His appeal for forgiveness went unanswered.
   他恳请原谅但没有得到答复。
2. I'm sorry I've left some of your questions unanswered.
   很抱歉，你有些问题我没有回答。
3. Through an unfortunate oversight your letter was left unanswered.
   由于令人遗憾的疏忽，未能给你回信。
4. Their cries for help went unanswered.
   他们的呼救没人回应。

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