to waste time creating something that already exists
すでに存在するものを作るために時間を浪費する (sude ni sonzai suru mono o tsukuru tame ni jikan o rōhi suru)
"Don’t reinvent the wheel; use the existing design."
"ホイールを再発明するな; 既存のデザインを使え。" (Hoīru o sai hatsumei suru na; kison no dezain o tsukae.)
If you are determined, you can find a way to achieve your go...
to quickly identify mistakes and use them as learning opport...
a person who is always busy and active
Very quickly, almost instantaneously.
to dominate a particular market
something very pleasing to hear