you have to work hard to achieve success
痛みなくして得られるものはない
"He practices every day because he believes no pain, no gain."
"彼は毎日練習している、なぜなら彼は ノー ペイン ノー ゲイン を信じているから。"
very jealous
to be overlooked or missed in a system or process
to give an opinion in a discussion
Friends who are deeply loyal to each other.
to donate or to reveal something unintentionally
to be informed about something
