1. on the ball

释义 1：To deal with things quickly and intelligently，be quick to take action. （迅速且机智地处理事情，迅速行动）

e.g. Some clubs struggle to raise money. A few are on the ball and make a professional job of it.

有些俱乐部在奋力筹集资金。有些人很机灵，把它当作一项专业的工作。

e.g. If you were really on the ball, you would ask the customer for the names and phone numbers of his friends.

如果你有能耐，就请顾客告诉你他的朋友的姓名和电话号码。

e.g. If you were on the ball, this wouldn't have happened.

如果你们迅速采取措施，这事情就不会发生。

e.g. Why didn't someone get on the ball and move the stuff?

为什么没有人手脚勤快些，把这些东西弄走？

释义2：To be knowledgeable. （知识渊博的，很内行的）

e.g. I can't believe Molly got that report done so quickly—she's really on the ball.

我真不敢相信莫莉那么快就完成了那份报告——她真的很有学识。

e.g. I'm so glad that my assistant is always on the ball because I'm too scatterbrained to manage my schedule on my own.

我非常我的助手很内行，因为我很浮躁，所以不能独自地安排我的计划。

e.g. He will do well in that work because he has a lot on the ball.

他会做好这件事，因为他很有一手。

2. carry the ball

释义：To be in charge; to be considered reliable enough to make sure that a job gets done. （被认为足够可靠以确定完成工作，负起责任，担起责任）

e.g. We need someone who knows how to get the job done. Hey, Sally! Why don't you carry the ball for us?

我们需要知道如何完成工作的人。嘿，Sally，你为何不为我们担起责任呢？

e.g. John can't carry the ball. He isn't organized enough.

John担不起责任，因为他做事没有条理。

e.g. After I implemented that important initiative, the boss asked me to carry the ball on our next big project.

我实施了那个重要的计划后，老板让我负责下一个大项目。