Are you kidding? When there is agreement, there is a clear enough. If you want it to sound easy, then according to Budapest memo “enough” is when Ukrainian sovereignty is restored at 1991 borders. Is this clear enough?
Thats actually your country (therefore YOU even if you don’t like it) — obligated to guarantee in terms of international laws. We ask MUCH less. You are dancing to give NOTHING.
If you want to be unreliable partner, say it directly first