c. 1500, "resembling sauce," later "impertinent, flippantly bold, cheeky" (1520s), from sauce (n.) + -y (2). The connecting notion is the figurative sense of "piquancy in words or actions." Compare sauce malapert "impertinence" (1520s), and slang phrase to have eaten sauce "be abusive" (1520s). Also compare salty in same senses.
权威例句
1. He was saucy and mischievous when he was working.
他工作时总爱调皮捣蛋.
2. She is a saucy little miss!
她是个黄毛丫头!
3. His daughter is a saucy tomboy.
他女儿是一个调皮的假小子.
4. It was saucy of you to contradict your father.
你顶撞父亲,真是无礼.
5. The saucy little girl from Hartford promptly corrected his idea.