She can tell you; I don't know offhand.

Hypothesis worth following up, or does anyone know reliably offhand?

I do not know offhand what can dissolve it nicely for regrowth.

I didn't know offhand what he meant and was astonished that he apparently knew our house better than I did myself.

"Do you know offhand what's at those sites?"

As for Wilson, he didn't know offhand; he'd have to check her - Chekov!

I don't know offhand, but that's a technicality.

I keyed for directory again, not knowing offhand the call code of the housing office.

There's a reciprocal malarkey as well: The experts pretend to know offhand the history of the object.

Do you know offhand if the Mob ever handles character assassination?