1. Third person singular imperfect past tense of the reflexive verb 'perturbar-se', indicating a repeated or habitual action of becoming disturbed, troubled, or agitated
He was getting disturbed by the noise every night.
Ele perturbava-se com o ruído todas as noites.
2. To be in a state of increasing disturbance or discomfort in the past
She was becoming troubled with each passing moment.
Ela perturbava-se a cada momento que passava.