习语025:Out of the blue 出其不意，出乎意料
2026-03-23
Meaning/Usage: Out of nowhere; spontaneously(莫名其妙的,不由自主地)Explanation: Although "blue" represents being sad, it is also commonly used to represent the ocean or the sky. Both are extremely big. If...
off和out of的区别是什么
2025-11-13
off [？f ？f] adv. 1、 脱离 2、 离开，离去 3、 掉，落 prep. 1. 从…离开： to tear a page off the book 从书上撕下一页 2. 从…脱离，从…脱落： He took several books off the shelf. 他从书架上取下几本书。 3. 离…在…的外面： only ten nautical miles off the...