1
patchy + noun
作定语时，强调分布不均匀或质量参差不齐。
The forecast said there would be patchy fog in the morning.
天气预报说早上会有零星浓雾。
不均匀的；参差不齐的
先理解核心含义，再看它在真实句子里的用法。
不均匀的；参差不齐的
irregular or uneven in quality, texture, etc.
The forecast said there would be patchy fog in the morning.
天气预报说早上会有零星浓雾。
布满斑块的；满是补丁的；斑块众多的。
Full of, or covered with, patches; abounding in patches.
不恒定或不连续的；间歇的或不均匀的。
Not constant or continuous; intermittent or uneven.
The Wi-Fi signal in this building is patchy, so video calls often freeze.
这栋楼里的Wi-Fi信号时好时坏，所以视频通话经常卡顿。
Her knowledge of grammar is patchy, but her speaking is quite fluent.
她的语法知识参差不齐，但口语相当流利。
The lawn looks patchy after the dry summer.
干旱的夏天过后，草坪看起来斑驳不均。
作定语时，强调分布不均匀或质量参差不齐。
The forecast said there would be patchy fog in the morning.
天气预报说早上会有零星浓雾。
作表语，表示整体上不完整、不均衡。
Internet coverage in rural areas is still patchy.
农村地区的网络覆盖仍然不完善。
比较级为patchier，用于比较两者质量或覆盖的不均匀程度。
My Wi-Fi signal is patchier than the one in the office.
我这里的Wi-Fi信号比办公室的更不稳定。
Not this
The paint was applied patchy.
Use this
The paint was applied patchily.
patchy 是形容词，不能修饰动词 applied；修饰动作要用副词 patchily（把 y 变 i 加 -ly），表示“不均匀地”。
Not this
There is a patchy of fog near the airport.
Use this
There is a patch of fog near the airport.
patchy 是形容词，不能当名词用；表示“一片……”时，要用名词 patch，构成 a patch of fog。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
参差不齐的质量
The patchy quality of the translation made it difficult to follow.
译文质量参差不齐，让人难以理解。
不完整的覆盖范围
Mobile phone coverage is patchy in the mountains.
山区的手机信号覆盖时好时坏。
分布不均匀
This species has a patchy distribution across the region.
该物种在这个地区的分布不均匀。
时好时坏的表现
The team's patchy performance has frustrated the supporters.
球队时好时坏的表现让支持者们感到失望。
时断时续的进展
The peace talks have made only patchy progress.
和谈只取得了断断续续的进展。
长得参差不齐的胡须
He wore a thin, patchy beard.
他留着一把稀疏、参差不齐的胡子。
Use patchy naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一件打满补丁(patch)的旧衣，补丁颜色深浅不一，这就是patchy：斑驳、不均匀的样子。
语域：neutral 常见场景：天气与信号描述、工作表现评价、日常外观或质量描述 通常用于描述事物的质量、覆盖或分布不均匀，比较常见于谈论天气、网络信号、工作成果或物体外观等场合，语气中性，正式和非正式语境都可用。
比较级和最高级分别为 patchier 和 patchiest。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.