How to Use "untrained" with Example Sentences

1. Sending in a bunch of untrained unauthorized freaks ?
2. But the strange thing is that untrained men .
3. He is a dog , untrained where not to shit .
4. Nobody wants to unleash amateur doctors and dentists on the public , or untrained tattoo artists for that matter .
5. Apart from the period feel which seems to my untrained eye to be perfect , the main performance is utterly convincing .