vi.

1. 擅自进入
   No trespassing!

   不得擅自闯入！

2. 【律】侵入；侵害，侵犯；侵占[（+on/upon）]
3. 打扰；妨碍[（+on/upon）]
   I don't want to trespass on your hospitality.

   我不想叨扰你。

4. 冒犯；违规[（+against）]

n.

1. 擅自进入[C][U]
2. 【律】非法侵入；侵害行为；侵害诉讼[C][U]
   He sued them for trespass.

   他对他们提起侵害诉讼。

3. 打扰，妨碍[C][U]
4. 冒犯；违背；罪过[C]

v.

1. enter someone's land or property without permission.
2. (trespass on) make unfair claims on or take advantage of (something).
3. (trespass against) archaic or literary commit an offence against (a person or a set of rules).

n.

1. Law  entry to a person's land or property without their permission.
2. archaic or literary a sin or offence.