ADJ-GRADED
(信息)粗略的，大概的，不完全的，不充分的
Sketchy information about something does not include many details and is therefore incomplete or inadequate.
例句
Details of what actually happened are still sketchy...
对于已发生事实的详细情况知道的仍然有限。
Only sketchy information exists on the stock of natural resources such as fish.
人们对鱼类等自然资源的总储备量所知甚少。