to understand or solve the real cause of something
понять или решить настоящую причину чего-либо (ponyat ili reshit nastoyashchuyu prichinu chego-libo)
"We need to get to the bottom of this issue to prevent it from happening again."
"Нам нужно понять настоящую причину этой проблемы, чтобы предотвратить её повторение." (nam nuzhno ponyat nastoyashchuyu prichinu etoy problemy chtoby predotvratit yey povtorenie)
a decision based on data analysis rather than intuition
to do something with great effort and passion
very happy and energetic
to agree with someone
a decision that is difficult to make because of the potentia...
to assist someone in a difficult situation