On the ball 机灵

US President Barack Obama and LA Galaxy Football Team Image copyright Getty
Image caption Barack Obama in the White House with Major League Soccer champions LA Galaxy and their star player David Beckham.


如果形容一個人是 on the ball, 那就意味著這個人非常機靈。


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.


如果形容某件事是 a whole new ball game, 那就意味著這是與以往不同的一種全新的事物。

I had a few Chinese lessons at school but actually speaking to Chinese people is a whole new ball game.