early 15c., "not uttered in a song," from un- (1) "not" + past participle of sing (v.). Similar formation in German ungesungen. Meaning "not celebrated" is recorded from 1660s.
权威例句
1. They are among the unsung heroes of our time.
他们是我们这个时代的无名英雄。
2. the unsung heroes of the war
战争中的无名英雄
3. It is little known, unsung and one of the grandest little towns you could ever wish to see.
它虽然名不见经传,但却是不可错过的最具恢宏气象的小镇之一。
4. He has been an unsung hero of the country's economic growth.