The golden rule in tennis is to keep your eye on the ball.

打好网球的重要原则是眼要紧盯着球。

《牛津词典》

Keeping your eye on the ball remains the best advice.

保持你的眼睛在球上仍然是最好的建议。

youdao

But all of us - volunteers, workforce, everybody involved - has to keep their eye on the ball, work hard right to the end.

不过，我们所有人，不论是志愿者、工作人员，参与冬奥会的各个方面都要保持警觉，努力工作到奥运结束。

youdao

I think all those goals are still possible, but I think that as a consequence to the war on Iraq, we took our eye off the ball.

VOA: special.2009.02.21

And they are extremely proud of what they're doing. But all of us volunteers,workforce, everybody involved has to keep their eye on the ball, work hard right to the end.

VOA: standard.2010.02.21

Instead, if you whiff, it will serve as the impetus to spend extra time in the batting cage, practice your swing, and attend to the need to keep your eye on the ball.

FORBES: 10 Responses To Foul-ups That Foster Success

"Markets are about surprise and expectations, and while most people expect high profitability, input-price inflation could hit margins, and the markets don't really have their eye on the ball about that, " said the analyst.

FORBES

But even if the board's eye had been on the ball it is far from certain that they would have acted in time.

BBC: Angry investors