Even when the alarm blared, she remained unperturbed and continued her work.

She sat unperturbably through the chaos, her expression calm as ever.

Her unperturbability in the face of chaos inspired everyone around her.

Her unperturbable demeanor helped calm the entire team during the crisis.

Her unperturbedness during the crisis reassured everyone around her.

She unperturbedly continued reading her book despite the noisy construction outside.