to explore something deeply and thoroughly
explorer quelque chose en profondeur et de manière exhaustive (explorer quelque chose en profondeur et de manière exhaustive)
"The paper delves into the social implications of the policy."
"L'article explore en profondeur les implications sociales de la politique." (L'article delve into les implications sociales de la politique)
to think carefully about what went wrong and learn from it
to support or defend someone in a team or argument
to strengthen belief in your own abilities
to discuss a topic without addressing it directly
to reduce expenses or spending
to get rid of tension or stress and regain focus