mid-15c., "horn of an animal recently killed," also "young horned animal," from green (adj.) in sense of "new, fresh, recent" + horn (n.). Applied to new soldiers from c. 1650; extended to any inexperienced person by 1680s.
权威例句
1. About 100 years ago, greenhorn was a popular expression in the American west.
在100多年前的美国西部, greenhorn是个非常流行的表达.
2. He is a greenhorn in this field.
他在这个领域还是个新手。
3. Ha ! Ha ! You're a proper greenhorn, aren't you!
哈哈, 你真是少见多怪!
4. That greenhorn is still wet behind the ears.
那个生手毫无经验.
5. There's nothing funnier than watching a greenhorn in action.