vt.

1. 大批出没于；侵扰；骚扰[（+with）]
   The mountains were infested with robbers.

   山里有大批盗贼出没。

   Gnats and mosquitoes infested the field by the river.

   小昆虫和蚊子群集于河边的田野里。

2. 寄生于

v.