If your lawn has extensive areas of patchy growth, try watering it.
Demand for the product has been patchy.
Low clouds and patchy rain are forecast for tomorrow.
patchy evidence
His memory of yesterday’s events remains patchy.
I have only a patchy knowledge of Spanish history.
TV coverage of the Games has been patchy.
英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。