adj.概略的；不完全的；略图的；不确定的

Your essay gives a rather sketchy treatment of the problem. 你的文章只粗略地涉及到这个问题。

We managed to piece together the truth from several sketchy accounts. 我们从几方面粗略的说法中设法弄清了真相。

I have only a sketchy knowledge of geography. 我对地理只是一知半解。

Information about the crisis was sketchy and hard to get. 关于这次危机的消息所知甚少并且很难获得。