Значение идиомы half a mind

[half a mind] also [half a notion] {n. phr.}, {informal} A wish orplan that you have not yet decided to act on; a thought of possiblydoing something. – Used after “have” or “with” and before “to” and aninfinitive.

I have half a mind to stop studying and walk over tothe brook.

Jerry went home with half a mind to telephone Betty.