prowl

A hungry leopard was seen prowling through the dense jungle at night.

(Chinese) 有人看到一只饥饿的豹子夜间在茂密的丛林中出没。

The security guard spent the whole shift prowling the empty corridors of the warehouse.

(Chinese) 保安整个班次都在仓库空荡荡的走廊里巡逻。