sketchy
adj (-ier, -iest) (often derog 常作貶義) 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這個問題.
I have only a sketchy knowledge of geography. 我對地理只是一知半解.
Information about the crisis was sketchy and hard to get. 關於這次危機的消息所知甚少并且很難獲得.