Significats de usual imperturbability en anglès

His agitation was clear to behold, his usual imperturbability all departed.

During his absence, Heneage leaned back in his chair and relapsed into his usual imperturbability.

Watkins stood by, with his usual imperturbability.

The seaman's iron features lost their usual imperturbability, and his lips quivered as he stammered out the two words-

Whatever curiosity Morton may have felt concerning this unexpected announcement, he concealed it admirably, merely replying with his usual imperturbability: "Very good, miss."