There is a fence about his garden.

他的菜园的四周围了一道篱笆。

youdao

There was a white fence about the garden.

花园四周围了一道白色栅栏。

youdao

There was a white fence about the house.

房子的四周曾有一圈白色的围墙。

youdao

There are some patients for whom physicians are really on the fence about whether to give one therapy or another.

VOA: special.2009.07.15

And so ultimately one of the messages we'd like to send today is that if you are the type who's kind of on-the-fence don't think this is for you, worried about hurting your GPA or anything like that.

最终，我们想告诉你们的是,如果你是那种对分数不太在意的人,这种打分制就不是为你准备的，担心影响你的学分绩点之类的东西。

哈佛公开课 - 计算机科学课程节选

So a tall chain-link fence keeps everyone away from it by about 50 meters.

VOA: standard.2010.02.17

So in a sense he's really sitting on the fence about what's happening in Iraq.

NPR: Gen. Petraeus Sees 'Vastly More Work' to Do in Iraq

People previously on the fence about purchasing a Surface Pro reversed course and started hunting down the hardware.

FORBES: Surface Pro Can Run Diablo III, Portal 2, Other AAA Games - Why Isn't Microsoft Evangelizing This?

In the meantime, if you are still on the fence about Kinect, check out my review of the new system.

FORBES: Microsoft: Actually, We Still Have Kinect Systems For The Holidays