encroach
/ɪnˈkrəʊtʃ/verb
no obj.(encroach on/upon)
1- intrude on (a person's territory or a thing considered to be a right)侵占, 侵害, 侵犯（某人的地盘或权限）：
rather than encroach on his privacy she might have kept to her room.
她本来可以呆在自己的房间里而不去侵犯他的隐私。
1.1
- advance gradually and in a way that causes damage侵蚀：
the sea has encroached all round the coast.
海水侵蚀了整个海岸。
派生词
encroacher
nounencroachment
noun词源
late Middle English （in the sense 'obtain unlawfully, seize'; formerly also as incroach ）： from Old French encrochier 'seize, fasten upon', from en- 'in, on' + crochier （from croc 'hook', from Old Norse krókr ）.