What is a synonym for the word lurk?

Here are some synonyms for "lurk," depending on the context:

General synonyms:

* Hide

* Skulk

* Slink

* Loiter

* Hang around

* Wait

* Conceal oneself

* Remain unseen

* Stay hidden

More specific synonyms:

* Prowl (for predators or criminals)

* Ambush (for attackers)

* Hover (for something intangible like a threat)

* 潜伏 (qián fú) in Chinese, meaning "to lie in wait"

The best synonym will depend on the specific situation and the nuance you want to convey.