Something such as a question or letter that is unanswered has not been answered.
例句
Some of the most important questions remain unanswered...最重要的一些问题依然没有答案。Readers should send a copy of unanswered letters to their MP...读者应该把那些未得到回复的信件复印一份寄给代表他们的议员。
英汉词典释义
adj.
未予答复的;未解决的
Forgive me for leaving some of your questions unanswered.请原谅,你有几个问题我没回答。His appeal for forgiveness went unanswered.他恳请原谅,但没有得到答复。Only one question remains unanswered.只有一项提问仍未解答。The family’s request for help went unanswered.这个家庭发出的求助没有回应。