to understand or solve the real cause of something
何かの本当の原因を理解するまたは解決すること (nanika no hontou no genin o rikai suru matawa kaiketsu suru koto)
"We need to get to the bottom of this issue to prevent it from happening again."
"この問題の本当の原因を理解して、再発を防ぐ必要があります。" (kono mondai no hontou no genin o rikai shite saihatsu o fusegu hitsuyou ga arimasu)
to be very thankful about something
used humorously to let an older person go first
to return to the original state after a series of changes
to encourage and inspire your team to work harder and achiev...
a shy person who avoids social activities
to suddenly become very angry or lose control
