Patricia was becoming more and more anxious and fretful at the non-appearance of her hero.
Also, Hugh began to notice and detect a lagging in his partner's step.
"Shall we go out into the corridor ?" he said.

"This air is beginning to be rather trying." From the crowded hall they passed into the corridor, from which opened side rooms which were used as dressing and retiring rooms, and whose entrances were cleverly screened by a row of thick spruce trees set up for the occasion.
"This is better," said Hugh, drawing a deep breath.

"Shall we sit a bit and rest ?" "Oh, do let us," said Adrien.

"This has been a strenuous and exciting evening.

I really feel quite done out.