“unknown是什么意思?”
“Unknown” 是英语中常见的形容词,主要含义为 “未知的;不为人知的”。以下是其在不同语境中的具体解释和用法:
1. 基础含义
- 形容词:表示某事物未被知晓、未被识别或未被了解。
- 例句:
- The cause of the disease is still unknown.
(这种疾病的成因仍未知。)
- She received a letter from an unknown sender.
(她收到一封陌生人的来信。)
- The cause of the disease is still unknown.
- 例句:
2. 不同场景中的用法
科学/数学:指“未知量”或“未解之谜”。
- 例句:Solve for the unknown variable in this equation.
(解这个方程中的未知变量。)
- 例句:Solve for the unknown variable in this equation.
地理/探索:形容未被探索的地方或事物。
- 例句:Early explorers ventured into unknown territories.
(早期的探险家们进入了未知地域。)
- 例句:Early explorers ventured into unknown territories.
人际关系:表示“不熟悉的人”或“陌生人”。
- 例句:The celebrity walked through a crowd of unknowns.
(这位名人从一群陌生人中穿过。)
- 例句:The celebrity walked through a crowd of unknowns.
文化/艺术:指“不知名的”人或作品。
- 例句:This painting was created by an unknown artist.
(这幅画出自一位不知名的艺术家。)
- 例句:This painting was created by an unknown artist.
3. 名词形式:the unknown
- 表示“未知的事物”或“未知领域”。
- 例句:
- Fear of the unknown is natural.
(对未知的恐惧是人之常情。)
- Space exploration pushes the boundaries of the unknown.
(太空探索拓展了未知的边界。)
- Fear of the unknown is natural.
- 例句:
4. 常见搭配
Unknown to someone:表示“某人不知情的情况下”。
- 例句:Unknown to me, he had already left the company.
(在我不知情的情况下,他已经离开了公司。)
- 例句:Unknown to me, he had already left the company.
Known unknowns vs. unknown unknowns(管理学/哲学概念):
- Known unknowns:已知的未知(知道存在但无法预知细节)。
- Unknown unknowns:未知的未知(完全无法预料的情况)。
5. 近义词与反义词
- 近义词:unfamiliar, undiscovered, unidentified, obscure
- 反义词:known, familiar, recognized, famous
希望以上解释能帮助你准确理解和使用这个词!如有其他问题,欢迎继续提问。 😊