to waste time creating something that already exists
тратить время на создание чего-то, что уже существует (tratit' vremya na sozdanie chego-to, chto uzhe sushchestvuet)
"Don’t reinvent the wheel; use the existing design."
"Не придумывай колесо заново; используй существующий дизайн." (Ne priduymivay koleso zanovo; ispol'zuy suschestvuyushchiy dizayn.)
to spread kindness rapidly and uncontrollably
to speak in a way that is too complicated for someone to und...
a very close and trusted friend
the percentage of visitors who leave a website after viewing...
to die (informal)
to approach the last possible moment before a deadline