It requires strong nerves and an even stronger stomach.

"It will require strong nerves and strong men, Haj," he explains through his smile.

Taking on these vested interests will require nerves of steel.

But it will require precision piloting, probably computerized, and nerves of steel.

Because Special Forces work requires nerves of steel, training never really ends.

Driving on German motorways can require strong nerves and does not leave much attention for observing the countryside.

Getting past that would require nerves of ice.

The next series of moves required steady nerves.

The difference with frittatas and omelettes is that tortillas require nerves of steel.

Working out how to manoeuvre yourself up a mountain requires total concentration and nerves of steel.