But the announcer himself lost his almost invincible sang-froid; in all his matchless vocabulary there were no sounding phrases ready for this occasion, and little Werther strutted in the centre of the great arena, rising to his opportunity.

I preserved the old sang-froid.

Laissez faire un homme de sang-froid.

But in spite of the horror of invasion, French railway officials showed an extraordinary sang-froid and maintained their service, even when they knew that their lines might be cut, and their stations captured, within an hour or two.