to achieve something very difficult
非常に困難なことを達成する (hijō ni konnan na koto o tassei suru)
"With determination, you can move mountains."
"決意があれば、あなたは山を動かすことができます。" (Ketsui ga areba, anata wa yama o ugokasu koto ga dekimasu.)
to end a romantic relationship
to criticize someone publicly for their behavior or actions
to stay out of trouble; to behave properly
to catch someone off guard; to surprise unexpectedly
to set a limit on what is acceptable
to control people very strictly and harshly