composition is good, DOF good, while focus is soft. you should focus on your lighting. try to use multiple lights to light up the entire scene and then additional light on _ I guess _ the knife or little piggy. If you brighten up your scene, there will be more your camera can work with, enhancing the focus.
Hey, my daughter had one like this! *smile* Memories! Were you using a tripod on this one, or something to rest the camera on? Lighting perhaps a bit too low, so long exposure time? The focus is quite off and I've had that problem too....MANY times! It's hard, isn't it?