half-dark, semidarkness
В комнате стояла полутьма от закрытых окон.
The room was in semidarkness because the windows were closed.
Мы сидели в полутьме и молчали.
We sat in the semidarkness and said nothing.
Коридор тонул в полутьме позднего вечера.
The corridor was shrouded in the semidarkness of late evening.
