On the ball 机灵
Barack Obama in the White House with Major League Soccer champions LA Galaxy and their star player David Beckham.
今日短语
如果形容一个人是 on the ball, 那就意味着这个人非常机灵。
今日小常识
David Beckham is the highest-paid player in American Major League soccer. Last year he earned six and a half million dollars. President Obama made jokes about Beckham because he advertises underwear.
贝克汉姆是美国职业足球大联盟里收入最高的球员。他去年的收入高达六百五十万美元。美国总统奥巴马同贝克汉姆开玩笑，因为小贝在电视上做内裤广告。
例句
Brian managed to learn the new college computer system in just a couple of hours. He's really on the ball.
You have to be on the ball to win on that TV quiz show. You only have half a second to answer the questions.
请注意
如果形容某件事是 a whole new ball game, 那就意味着这是与以往不同的一种全新的事物。
I had a few Chinese lessons at school but actually speaking to Chinese people is a whole new ball game.
