sketchy
adj (-ier, -iest) (often derog 常作贬义) lacking thoroughness and detail; incomplete; rough 概要的; 不完全的; 粗略的
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.
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. 关於这次危机的消息所知甚少并且很难获得.
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
They had to work inside the ship, cutting away old metal, fixing new metal plates, drilling holes, laying electrical and phone wires and fixing new pipes for water and steam.