非法狩猎,偷猎

A vessel or dish designed for the poaching of food, such as eggs or fish. 蒸锅，炖蛋锅如为煮鸡蛋或鱼等食物而设计的一种器具或盘子

I don't know what you think but I consider this other firm is poaching on our preserves. 我不知道你是怎样想的，不过我认为这另一家商行是在侵犯我们的利益范围。

Rival salesmen were poaching on his territory. 这些推销员是竞争对手，却跑到他的地盘来兜生意。