From the infant's perspective, it is born into a world full of hostile microbes, with an untrained immune system and lacking the caustic stomach acid which in adults kills most bacteria.
To our untrained eyes, the system in which we were expected to deploy this knowledge was often baffling, with its unfamiliar rituals of scribbled notes and morning rounds.
For a few minutes, the college players controlled the game until their untrained opponents deciphered their system, and then ripped it apart by half-time.
But about two-thirds of the states have yet to begin the transition, and experts worry that many are still unprepared, with both prosecutors and judges untrained in the new system.
A 2012 investigation by The New York Times found that officials assigned to oversee tree care were overworked and untrained, and that the system for addressing tree health was antiquated and haphazard.
We wanted to find out whether learning can be transferred from a trained effector system to an untrained one.
On one historical account, admissibility or exclusionary rules are the product of the jury system where citizens untrained in assessing evidence sit as judges of fact.
This study shows that the link between untrained TBAs and the health system was weak and cooperation between them was poor.
"No one will therefore come into the system unaware or untrained in delivering ECHO to the communities across the island which need it.
He hated that children were wasting their time and suffering from the deadening effects of being in underfunded school systems full of untrained teachers who intimidated children to recite by rote from dull textbooks.
