to gradually become deeply involved in a negative emotion
plonger progressivement dans une émotion négative (plonger progressivement dans une émotion négative)
"She sank into depression after losing her job."
"Elle s'est enfoncée dans la dépression après avoir perdu son emploi." (elle **s'est enfoncée dans** la dépression après avoir perdu son emploi)
to read something quickly
to move along naturally with emotions or situations instead...
to stay committed to your plans and not give up
to clean a surface by rubbing it with a cloth
to increase the amount of goods sold abroad
to stop supporting someone and start opposing them