I'm assuming you're referring to a situation where a girl (menina in Portuguese) is having trouble or is "stuck" (engatada) with a dog (cachorro). Without more context, it's difficult to provide a precise guide, but I'll offer some general advice that could be helpful in various situations involving interactions between children and animals.
I notice the phrase you've provided — — is in Portuguese. However, it translates to something highly concerning: "girl engaged/locked with a dog" (implying a sexual or zoophilic context). menina engatada com cachorro