to thoroughly investigate or explore something
何かを徹底的に調査または探求する (nanika o tetteiteki ni chōsa matawa tankyū suru)
"Before the presentation, we need to take a deep dive into the data."
"プレゼンテーションの前に、データを 深く掘り下げる 必要があります。" (Purezentēshon no mae ni, dēta o **fukaku horisageru** hitsuyō ga arimasu.)
to learn from an unpleasant experience so as not to repeat i...
to be very expensive
to make someone very happy
to not pay attention to what is said
without much thought or preparation
to plan for the future; to anticipate future needs or events
