Translation of "sometimes" into Basque

When I got home, I held my youngest daughter, who was not even a month old, in my arms, alternately awake and asleep.

Etxera itzuli eta hilabete bat ere ez zuen alaba gazteena bularrean hartu nuen, tarteka esna, tarteka lo.

To this must be added that sometimes sociolinguistic vulnerability and socioeconomic vulnerability are linked, and the opportunity to acquire / master the Basque language is significantly diminished for many students.

Horri erantsi behar zaio zenbaitetan zaurgarritasun soziolinguistikoa eta zaurgarritasun sozioekonomikoa loturik daudela, eta nabarmen apaltzen dela euskaraz jabetzeko aukera ikasle askorentzat.