unprompted
adj
(of an answer or action) not said or done, etc as the result of a hint, suggestion, etc; spontaneous (指回答或行动)未经提示做出的, 自发的
an unprompted offer of help 主动的提出帮助.
🗣️ 情景例句
I want to keep the after-school programs--
我要保存这些课外活动--
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你,方便吗?
What is more, this information line operates 24 hours a day.