rough and ready

基本解释

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。
A recent opinion poll, necessarily rough and ready after decades when it was rash to air political preferences openly, put Nahda at 14%.
最近的一项民意测验显示复兴党（Nahda）支持率达14%。该党在几十年后才急忙公开其政治取向，现在难免匆促上阵【民意调查在遭禁几十年之后，现在急不可耐地公开发布人们的政治倾向，自然免不了粗糙和仓促】。
Running water, attached toilets and electricity will improve living standards significantly for fisher folk, who have been used to a rough and ready existence.
自来水、附加的卫生间和电力将大大提高习惯了粗狂和原有生活条件的渔民的生活水平。

So, university professors have teaching evaluations and you could use this as a rough and ready approximation of what students think of them.
大学教授要接受教学评估,你可以借此大致地概括出,学生对教授有什么看法。
耶鲁公开课 - 心理学导论课程节选

The upshot is that nuclear fusion can happen using rough-and-ready lasers and rough-and-ready fuel.
ECONOMIST: Nuclear fusion
It carried out a rough and ready experiment to test the reliability of fingerprints.
ECONOMIST: Fingering fingerprints