be\ on


be\ on
v. phr.
1. To be in operation; be in the process of being presented.

The news is on now on Channel 2; it will be off in five minutes.

2. To be in the process of happening; to take place.

We cannot travel now to certain parts of Africa, as there is a civil war on there right now.


Словарь американских идиом. — СПб., Изд-во "Лань". . 1997.