rough-and-ready 简单粗糙但可用的；粗犷的；粗鲁的；不拘小节的；潦草的；粗线条

【例句】
He was rough and ready, this cousin, but he loved his town friend and made him heartily welcome.
这表弟是个大老粗，却喜爱他城里的朋友，对他热情招待。

A rough-and-ready look at the past 18 years certainly provides no clear pattern.
对过去18年的粗略考察肯定不能提供明晰的模式。