to find the real cause of a problem
問題の本当の原因を見つけること (monogoto no hontou no gen'in o tsukitomeru)
"The manager promised to get to the bottom of the issue."
"マネージャーはその問題の本当の原因を突き止めると約束しました。" (Manejā wa mondai no hontou no gen'in o tsukitometai to omotte iru.)
to do your share of the work or responsibility
to deliberately annoy or upset someone
to make others happy by being kind or cheerful
something extremely boring
a natural talent for gardening or growing plants
a plan or situation that suddenly goes wrong and causes trou...
