slick as a whistle --------- 圆滑(成语)
英文释义
(IDIOM) Describing someone or something that is very smooth and polished.
例句
Our company's best sales representative is slick as a whistle and always knows the perfect way to encourage customers to buy plenty of our products.
我们公司最优秀的销售代表十分圆滑,总能知道鼓励客户大量购买我们产品的完美办法。
adj. 光滑的(巧妙的,完全的,老一套的,第一流的)