to participate in an enjoyable activity
принять участие в увлекательной деятельности (prinyat' uchastie v uvlekatel'noj deyatel'nosti)
"Even the shy guests joined in the fun after a while."
"Даже застенчивые гости вскоре присоединились к веселью." (Dazhe zastenchivye gosti **vskore prisoedinilis' k vesel'yu**.)
to invest in something; to believe in an idea or plan
to play music with great enthusiasm or energy
to reintroduce or restore something that was removed
to like or choose something
to reduce an amount to nothing
to recover emotionally from a difficult experience
