to explore or investigate deeply
深く調査する、または探る (fukaku chousa suru, matawa saguru)
"The scientist decided to delve in to the mysteries of the deep sea."
"科学者は深海の謎に掘り下げることを決定しました。" (Kagakusha wa shinkai no nazo ni **delv in** suru koto o kettei shimashita.)
to make a device or account secure from threats
to take care of and support one another
to regain confidence or strength after failing
to enter a website or app by typing your username and passwo...
to love something or someone very much
to publicly support fairness or equality
