only existing or happening in some parts散落的,分布不均的,局部地区的
The varnish is a little patchy on this table.这张桌子上的清漆有点不匀。
The morning will start with some patchy rain/cloud/fog at first.早晨开始会局部降雨/多云/有雾。
sometimes good and sometimes bad时好时坏的
Matthew found the service extremely patchy.马修发现服务时而极好,时而极差。