keep at

坚持, 不停地做, 使 ... 继续

例句与用法：

Keep at him till he agrees.

缠住他直到他同意为止。

Keep at it!

别松劲！

If you keep at your work, you will finish it soon.

如果你坚持干下去，很快就会完成的。

Keep at it.There is only a little more.

坚持下去，只剩一点儿了。

详细释义：

继续做

I am going to keep them at their task.

我将使他们继续工作。