to explore something deeply and thoroughly
etwas tief und gründlich untersuchen (etwas tief und gruendlich untersuchen)
"The paper delves into the social implications of the policy."
"Das Papier untersucht die sozialen Implikationen der Politik gründlich." (Das Papier delve into die sozialen Implikationen der Politik)
to start liking someone or something
to combine money, labor, or materials for a joint project
to continue doing something from the point you stopped
to assist someone in standing after a fall
to oppose or disagree with someone or something
to stabilize one's emotional state; to avoid highs and lows