I am a single mother and try to keep an eye on him.

我是一个单身母亲，总是尽自己的能力密切注意他的一举一动。

Keep an eye on the children, please.

请你招呼一下孩子们。

Keep an eye on the luggage while I go and get the tickets.

我去买票，你来照顾行李。

Keep an eye on somebody

对某人保持警惕

Keep an eye on kill time

打发时间提高警惕

Can you keep an eye on my coat?

你可以帮我注意一下外套吗?。

Keep an eye on my cat while I am away.

我不在时,请照看一下我的猫.

That man looks suspicious;keep an eye on him.

那人形迹可疑,注意他.

Mary will keep an eye on the kids this afternoon.

这个下午将由玛丽照看孩子。

It helps system administrators keep an eye on their systems.

它可以帮助系统管理员密切关注他们的系统。