[He's not asking to teach her, he's barely imparting a lesson here except trying to get her to shake off enough of that raw emotion that she's letting cloud every single thing she tries to do. Her insistence that she doesn't need his help isn't really convincing him as she lobs easy blows at him and then actually puts her foot somewhere near his chest to the point that he can take a loose hold of her ankle and then let it go.]

We aren't fighting, Skye. This isn't combat and I'm not looking to injure you until you give up. [Maybe she had thought that she could go that direction, but this isn't really landing in her favor as of late.]

You wanted to show me how your training has been going. [He again, focuses his gaze on her, intense and expectant. Both of his hands going back up again.]

So show me.