I shall certainly keep a beady eye on his behaviour.

我一定会时刻睁大眼睛提防他的行为。

《牛津词典》

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》

We've asked the neighbours to keep an eye on the house for us while we are away.

我们已请邻居在我们离开时帮我们照看一下房子。

《牛津词典》

The next day, at their school, the woman asks the man to keep an eye on, or watch the young students in her class while she is out of the classroom.

VOA: special.2009.09.06

Nevertheless, as much as we like to engage sometimes in this kind of analysis about the sources that have gone into the composition of the text it's also always important to keep your eye on the final form of the text as we've received it.

然而，当我们大量的进行,对关于著书来源的分析时,很重要的一点是，我们要留意,我们拿到的最终版本。

耶鲁公开课 - 旧约导论课程节选

People with type 1, or juvenile,diabetes must keep a watchful eye on their blood glucose levels because their pancreases are not working normally.

VOA: standard.2010.04.15

The few workers on duty keep an eye on progress from glassed-in observation posts above the shop floor, watching multiple computer screens.

ECONOMIST: Who says heavy industry has had its day?

Other measures include CCTV and webcams at strategic points on rivers to keep an eye on blockages, temporary defences and new flood warning areas.

BBC: Flood aftermath still being felt

The first minister earlier agreed with Scottish Conservative leader Annabel Goldie when she praised all public service workers for getting to work and called on people to "keep an eye on frail neighbours".

BBC: First Minister's Questions