patchy

1. ADJ A patchy substance or colour exists in some places but not in others, or is thick in some places and thin in others. 分佈不均衡的

Thick patchy fog and irresponsible driving were to blame. 濃重的分佈不均的霧和不負責任的駕駛應受到責難。

...the brown, patchy grass. …分佈不均的棕色草地。

2. ADJ If something is patchy, it is not completely reliable or satisfactory because it is not always good. 不很可靠的; 不很令人滿意的

The evidence is patchy. 這個証據不很可靠。