To her imaginative and inexperienced mind, it was obvious that he was doing their homework.
Did he know the men were inexperienced riders?
"Inexperienced," she finally supplied.
His apologists contend, however, that, as an inexperienced civilian, he could not have made sudden changes in naval arrangements without disorganizing the fleet, and that in view of the impending hostilities he was obliged to accept the dispositions of his predecessors.
You're inexperienced, innocent — even naive, but you're not immature.