My gf & I both have this on our left hips. It says "promise to" b/c we made a promise to be in each others lives, no matter what happens. She is a wonderful person & I want her in my life always... regardless of our relationship.
http://www.checkoutmyink.com/tattoos/jennafur/hip-promise-to
However 允 does not mean "promise", but "permit, to allow".
