To try to achieve something with confidence.
自信を持って何かを達成しようとする。 (Jishin o motte nanika o tassei shiyou to suru.)
"If you really want that job, go for it!"
"もし本当にその仕事が欲しいなら、挑戦してみなさい!" (Moshi hontou ni sono shigoto ga hoshii nara, chousen shite minasai!)
Strong belief can achieve the impossible.
the best among a group of people or things
to use authority to make people work harder or obey rules
to see a small sign of improvement in a bad situation
so surprised that you cannot speak
to make people notice something