Sentence examples for impenetrable concentration from inspiring English sources
Agent Chris Fogle, it is rumored, has concocted an algorithm that bequeaths to those who intone it a state of pure, impenetrable concentration — and the I.R.S.'s chiefs, for obvious reasons, want to prize this from him.
What is needed is an egg with an impenetrable barrier that contains water at the right salt concentration for life.A paper by Dr Finn and Mr Kristoffersen in the latest issue of Public Library of Science One describes the genetic changes that lie behind such eggs.
This seemingly impenetrable barrier has high resistance to the passage of antifungal drugs in sufficient concentrations to kill the causative fungi deep in the nail bed.
Sometimes the concentration of the action makes the story impossible to follow – the opening section is particularly impenetrable.
Impenetrable explanations?
A veritable concentration camp, complete with chain-link fences and barbed wire, was being thrown up in haste under the canopies of the country's impenetrable interior.
The city seemed impenetrable.
Her will seemed impenetrable.
Neither defense looks impenetrable.
