References in classic literature ?
He must have been, indeed, of a tougher fibre than he looked to withstand without expiring such buffetings, the violence of his exertions, and so much fear.
We, the new, the nameless, the hard-to-understand,"--it says there,--"we firstlings of a yet untried future--we require for a new end also a new means, namely, a new healthiness, stronger, sharper, tougher, bolder and merrier than all healthiness hitherto.
Mind you, I don't say this will be the tougher job all round; we shall probably get in without any difficulty at all; it's the getting out again that may flummox us.
The sensation of unappeasable hunger, not unknown after the strain of a hazardous enterprise to adventurers of tougher fibre than Mr Verloc, overcame him again.
Global Banking News-February 18, 2015--Swiss authorities to impose tougher capital requirements on banks
YOUNG people want schools to be tougher on children who misbehave, research has found.
13, 2013 /PRNewswire-USNewswire/ -- 44% of British MPs are ready to support tougher sanctions against Alexander Lukashenko's regime, a survey by influential British pollster YouGov says.
THE ROUX SCHOLARSHIP (7pm Watch) YOU know how on MasterChef they say "Cooking doesn't get any tougher than this?
The Kyrgyz government suggests tougher punishment for public calls for terrorist activities or public justification of terrorism.
THE Government is planning to get tougher on local councils carrying out road works, with stricter rules on safety and signposting.
I was glad to read of tougher action being promised by the Interior Minister against rioters.