unanswered
🇺🇸
/ʌnˈænsərd/
🇬🇧
/ʌnˈɑːnsəd/
not given an answer
The teacher asked a question, but it was unanswered by the students.
老师问了一个问题,但学生们没有回答。
not replied to
She sent a letter but it remained unanswered.
她寄了一封信,但信仍然没有得到回复。