full of energy and not tired
元気いっぱいで疲れていない (genki ippai de tsukarete inai)
"Even after the hike, she looked as fresh as a daisy."
"ハイキングの後でも、彼女はデイジーのようにとても元気そうだった。" (haikingu no ato demo kanojo wa deiji no you ni totemo genki sou datta)
the most advanced and innovative technology available
people with similar interests or characteristics
to enroll in or agree to participate in something
a secret or unofficial way to access something
to raise something suddenly and sharply
to stop a problem before it gets worse