Perhaps there is a language barrier that needs to be addressed?

[she feels bad enough about giving him ineffective advice that she reaches over and pries the child off of his arm, only to have it latch onto hers instead. it takes another moment to carefully deposit that child onto the ground, wagging a finger when two more try even as she scoots sideways to try and retrieve the stolen glasses.]

No means no! Behave, now, I'm sure you know better than that. He's very tired of you climbing on him, see?

[it means nothing if they can't understand her but she can at least attempt to convey her meaning!!!]