【俚語】

On the ball 機靈；反應快

【例句】

I'm so glad that my assistant is always on the ball because I'm too scatterbrained to manage my schedule on my own.
很高興我的助理總是反應很快。因為我太粗心了，不能安排自己的日程。

Start the ball rolling 著手干，開始做

【例句】

I think it will be easier to become comfortable driving now that I've started the ball rolling with driving lessons.
既然我已經開始學開車了，我感覺現在開會更加適應一些。

Pick up the ball and run with it
（尤指在他人不能完成時）接手做某事

【例句】

We had a very vague idea of what we wanted, but the marketing team just took the ball and ran with it.
我們還沒想清楚自己想要什么，但營銷團隊已經接過手去開始忙活了。

Drop the ball 犯錯誤

【例句】

I think she really dropped the ball when she decided to quit that promising internship.
當她決定放棄那個前景不錯的實習機會時，我感覺她是犯了個錯誤。

keep your eye on the ball
集中注意力

【例句】

We’ve got to keep our eye on the ball if we want to remain successful.
如果我們想保持成功，我們就必須集中精力。