Those estimates are rough and ready.

这些预测是粗略并且是我们急需的。

He is a rough and ready football player.

他是个粗犷而敏捷的足球运动员。

I can only give you a few rough and ready rules.

我只能给你一些大致的规则。

The one I care for through the rough and ready years.

是我在艰难岁月中一心呵护的人。

What the report has indicated is just rough and ready.

这份报告所指出的只是粗略而已，但还可接受。