to investigate or examine something
何かを調査または調べる (nanika o chōsa matawa shiraberu)
"They promised to look into the billing error today."
"彼らは今日、請求書のエラーを調べると約束しました。" (Karera wa kyō, seikyūsho no erā o shiraberu to yakusoku shimashita.)
to catch someone off guard; to surprise unexpectedly
to be extremely surprised or upset
to actively try to achieve your ambitions
to escape punishment or avoid being convicted
to spend large amounts of money in a hasty or unwise way
A very stingy or miserly person.