to explore or investigate deeply
глубоко исследовать или изучать (gluboko issledovat' ili izuchat')
"The scientist decided to delve in to the mysteries of the deep sea."
"Учёный решил погрузиться в тайны глубокого моря." (Uchyoniy reshil **delv in** v tayny glubokogo morya.)
to focus deeply on something to forget stress
to help someone see things in a new or different way
to change something into something else
to trick someone into making a mistake; to discover someone...
when liquid rises and flows over the edge of the pot
to learn and grow stronger after failure