to think carefully about something
обдумывать что-то внимательно (obdumivat' chto-to vnimatel'no)
"Take a day to mull over the offer."
"Возьмите день, чтобы обдумать предложение." (voz'mite den', chtoby obdumat' predlozhenie)
to combine efforts with others for a common purpose
you have to work hard to achieve success
That opportunity is gone and cannot be used anymore.
to end a situation in which progress is not possible
to do something to show you are sorry
very close friends who share everything
