Unrehearsed
a. 没彩排过的；没有提前准备过的
✅ 同义词
🗣️ 情景例句
Hi, John, how's it going?
嗨，约翰，你好吗？
And go out into the open to watch all kinds of fireworks glittering everywhere in the dark sky.
到外面去看夜空中绚烂多彩的焰火。
Exploring really deep caves is not a task for the Sunday afternoon rambler.
探测非常深的洞穴不是那些在星期日下午漫步的人所能胜任的。