to move slowly and quietly towards an animal or a person, in order to kill, catch or harm it or them 偷偷接近，潜近（猎物或人）
The lion was stalking a zebra.
狮子偷偷接近斑马。
He stalked his victim as she walked home, before attacking and robbing her.
她步行回家时，他偷偷地接近然后下手袭击，并且抢劫了她。
If you stalk somewhere, you walk there in a stiff, proud, or angry way.
[U]
the crime of following and watching sb over a long period of time in a way that is annoying or frightening