to suffer because of one’s own mistake
自分の間違いで苦しむ (jibun no machigai de kurushimu)
"He burned his fingers by investing in a risky business."
"彼は危険なビジネスに投資して痛い目にあった。" (kare wa kiken na bijinesu ni toshi shite itai me ni atta)
to do extremely well on a test
In a situation that is unknown or unfamiliar.
to be in control; to make important decisions
to punish someone severely
to calculate and separate a specific amount
to deal with a problem when it arises, rather than worrying...