1
encroach on/upon sth
encroach 是不及物动词，须用介词 on/upon 引出对象；upon 更正式。
The new building encroached on the public park.
新建的大楼侵占了公园的绿地。
侵占；侵入；侵蚀
先理解核心含义，再看它在真实句子里的用法。
侵占；侵入；侵蚀
advance beyond the usual limit
The new building encroached on the public park.
新建的大楼侵占了公园的绿地。
不正当地侵犯他人的权利或领土。
To intrude unrightfully on someone else’s rights or territory.
逐渐超越应有的界限。
To advance gradually beyond due limits.
encroach
Base
原形
encroaches
3rd person
第三人称单数
encroaching
-ing
现在分词
encroached
Past
过去式
encroached
Past participle
过去分词
The desert encroaches on the farmland every year.
沙漠每年都在侵蚀农田。
The neighbors encroached on our land last summer.
去年夏天邻居侵占了我们的土地。
The sea is encroaching on the coastal village.
海水正在侵蚀这座沿海村庄。
多用于正式语境；表示“侵占/侵蚀”时，后接 on/upon。
The new housing development encroaches on the protected wetlands.
新建的住宅区侵占了受保护的湿地。
Our neighbors began to encroach upon our land by building a fence beyond the boundary.
我们的邻居开始在边界外建栅栏，侵占我们的土地。
Industrial activity is encroaching on the quiet countryside.
工业活动正在蚕食宁静的乡村。
encroach 是不及物动词，须用介词 on/upon 引出对象；upon 更正式。
The new building encroached on the public park.
新建的大楼侵占了公园的绿地。
被动结构强调受影响方；介词 by 引出施动者。
Our time together is being encroached upon by endless meetings.
我们共处的时间正被没完没了的会议挤占。
Not this
The construction project encroached the protected wetland.
Use this
The construction project encroached on the protected wetland.
encroach 是不及物动词，表示“侵占”时不能直接带宾语，需用介词 on 或 upon 再接对象。
Not this
Encroaching on public land is an encroach on everyone's rights.
Use this
Encroaching on public land is an encroachment on everyone's rights.
encroach 是动词，不能在冠词 an 后使用；对应的名词形式是 encroachment。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
侵犯某人的权利
The new law must not encroach on people's basic rights.
新法律绝不可侵犯人民的基本权利。
蚕食领土
The neighboring army continued to encroach upon our territory.
邻国军队继续蚕食我们的领土。
侵犯某人的隐私
Social media often encroach on users' privacy without their realizing it.
社交媒体往往在用户未察觉的情况下侵犯其隐私。
占用某人的空闲时间
Unpaid overtime can encroach on your free time and harm your health.
无偿加班会占用你的空闲时间，并损害健康。
侵蚀土地
Rising sea levels are encroaching on coastal farmland.
不断上升的海平面正在侵蚀沿海农田。
Use encroach naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象 enter（进入）+ crawl（爬行）：悄悄爬进别人的领地，就是“侵占”。
语域：formal 常见场景：法律/正式文件、领土/权利讨论、环境/资源描述 encroach 通常用于正式或书面语境，比较常见于法律、领土或环境等议题，指逐步侵入或侵占；日常口语中较少使用。
encroach 为不及物动词，不能直接接宾语。
Dictionary facts from ECDICT, WIKTIONARY.