But, sir, interrupted Johnson, rather nettled at his sang froid.
He also smoked cigars with all the sang froid of experienced men.
"I don't see how you manage to bear it with all that sang froid, Bellamy," he said.
But now he seemed to have lost the sang froid for which he was so noted.
I could not help admiring his sang froid, the like of which I had never seen or heard ...