patchy
adj
(-ier, -iest)
1 existing in or having patches 有補丁的; 有斑或塊的
patchy fog, mist, cloud, etc 團團的霧、 靄、 云等.
2 (fig 比喻) not of the same quality throughout; uneven 東拼西湊的; 質量不一致的; 不均勻的
a patchy essay, novel, performance 拼湊的文章、 小說、 演出
His work is rather patchy. 他的作品瑕瑜互見.
My knowledge of German is patchy, ie not complete. 我對德語一知半解.
??? 情景例句
Nowadays in the USA, more and more young people are losing interest in politics.