off again, on again

off again, on again - неопределенный

on again, off again AND
off again, on again
(uncertain; indecisive)
{reversible}
• I don't know about the picnic. It's on again, off again. It depends on the weather.
• Jane doesn't know if she's going to the picnic. She's off again, on again about it.

вилами по воде писано
бабушка надвое сказала
то ли будет, то ли нет
это как сказать