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)
a short, light sleep
naturally inclined or designed to succeed
a promise made with sincerity and integrity
to make someone very annoyed or angry
to be the center of attention or admiration
to warn or scold someone severely for bad behavior
