Untidied
使不整洁（untidy的过去式与过去分词形式）
🗣️ 情景例句
I have been talking to a group of salesmen
我一直在与一群推销人员谈话
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
I don't know.
我不知道。