to make a mistake; to fail at something important
間違いを犯す; 重要なことを失敗する (machigai o okasu; jūyōna koto o shippai suru)
"He really dropped the ball by forgetting the meeting."
"彼は会議を忘れて本当にボールを落とした。" (kare wa kaigi o wasurete hontōni **bōru o otoshita**)
to suddenly make a lot of money
a vote that is not yet decided and could go either way
to be extremely happy
to reach the highest point of success
To try something despite uncertainty.
a sudden realization or understanding