ADJ-GRADED
				精明的;狡黠的;头脑灵活的
				A canny person is clever and able to think quickly. You can also describe a person's behaviour as canny .
例句
						He was far too canny to risk giving himself away...
						他非常精明,不会冒险暴露自己。
						A canny investor would need to predict when the dollar will once more start tumbling...
						精明的投资者需要预计到美元何时会再次大跌。