Unwitnessed
a. 未被观察到的, 未被留神注意的, 无证人签署的
🗣️ 情景例句
All right. Please hold two orchestra seats for us.
好，请帮我们保留两张前排的座位。
He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的阅读和写作是强项，但他希望知道怎样去理解和说得更好。
he had included a large number of funny stories in the speech and, of course, it was a great success.
他的祝词里面加进了大量逗人的故事，自然大获成功。