To achieve something very difficult or seemingly impossible.
非常に難しいまたは不可能に見えることを達成する。 (hijoni muzukashii mata wa fukanou ni mieru koto o tassei suru)
"With determination, she can move mountains."
"決意があれば、彼女は山を動かすことができる。" (ketsui ga areba kanojo wa yama o ugokasu koto ga dekiru)
something that is too expensive or not worth its price
to feel extremely happy and successful
to increase pressure or intensity
to be very confident and not shy at all
to be confident and relaxed about who you are
to take advantage of an opportunity immediately