Entretener

Entretener
 

Entretener has different meanings in English and some of them are difficult to translate can anybody help?
Situation on a phone conversation
Ok, no te entretengo más, ve a ducharte.
La tele me entretiene mucho.
A veces para entretener el hambre me tomo un vaso de agua.
No quiero robarte más tiempo, te dejo.

The last sentence can be translated as
"Sometimes, to take the edge off (my) hunger, I drink a glass of water."

And what you have an appointment but you te entretienes hablando con alguien, how can we say that?
I was held back ????

la tele me entretiene????

I already answered the second question. "I enjoy watching TV." ("The TV entertains me," is a more literal translation, but isn't used as much.)

When you're supposed to be somewhere else but te entretuviste hablando, you were too busy talking (and didn't keep track of/notice the time).
You can say, "I got held up."