под властью

• ВО ВЛАСТИ <ПОД ВЛАСТЬЮ> чего{{}}

[PrepP; these forms only; the resulting PrepP is subj-compl with copula (subj: human)]

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⇒ (a person is) overcome by sth., fully absorbed in sth. (that elicits a strong emotional response):

- X во власти Y-a ≈ X is in the power <the grip> of Y;

- X is overpowered (gripped, overwhelmed) by Y;

- X is under the spell of Y.

     ♦ ...Я молчу, я весь во власти необыкновенного ритма и серебряного звука трубы (Казаков 2). ...I'm quiet, I'm entirely in the power of that extraordinary rhythm and the silvery sound of the trumpet (2a).

     ♦ ...Она опять во власти какой-то навязчивой идеи, смотрит в одну точку с тем же сосредоточенным, напряжённым, упрямым выражением (Рыбаков 2). ...She was obviously in the grip of some new obsession, gazing at a single spot with her fixed, tense, stubborn stare (2a).

     ♦ "Он сидит ночью один, весь во власти охватившей его душу любви - единственной, неповторимой любви..." (Катаев 3). "He sits there alone in the night, completely overpowered by the love that has taken possession of his soul, unique, inimitable..." (3a).