Significado de "cut off"

Olá,

Como "cut off" dependendo do contexto têm diferentes significados. Gostaria de saber como seria a tradução das seguinten frases:

- We were getting to know each other, and all of a sudden, she cut me off.
- I don't know what happened. I think the call got cut off.
- He was giving me money and then he cut me off.

Thanks in advance.