介绍：

Keep one’s eye on the ball

专注，集中精力

You will do better in your work if you keep your eye on the ball.

如果你专注一些，你会把工作做得更好。

Move the goalposts

改变规则（使某人为难）

We can’t get the design done if the clients keep moving the goalposts.

客户如果不断改要求的话，那么这个设计我们就没法完成了。

Get a kick out of something

从……中得到乐趣

I started to get a kick out of diving since I tried it last month in Thailand.

自从上个月在泰国试了潜水后，我就开始喜欢潜水了。

Be on the ball 机灵

For the assistant manager’s job we need someone who’s really on the ball.

对于助理经理的工作，我们需要一个机灵的人。

Stay on the sidelines

采取观望态度

If you want the boss to notice you, you can't just stay on the sideline during these meetings.

如果你想让老板留意到你，你就不应该在开会的时候那么不主动。