"arranged in classes," 1828, past participle adjective from classify. Meaning "secret" (of government information) is from 1941, American English. Classifieds (n.) "newspaper advertisements arranged by classes," 1913, is short for classified advertisements
雙語例句
1. She never participated in obtaining or copying any classified documents for anyone.
她從未參與過為任何人獲取或復制機密文件之事。
來自柯林斯例句
2. At least one British officer was feeding him with classified information.
至少有一個英國官員在向他提供機密情報。
來自柯林斯例句
3. He has a security clearance that allows him access to classified information.
他獲得了安全許可，可以接觸機密信息。
來自柯林斯例句
4. The spy returned to deliver a second batch of classified documents.
那名間諜返回來遞送第二批機密文件。
來自柯林斯例句
5. The coroner immediately classified his death as a suicide.