someone very experienced at something
кто-то очень опытный в чем-то (kto-to ochen opytnyy v chyom-to)
"She’s an old hand at managing big events."
"Она старый мастер в организации больших мероприятий." (ona stary master v organizatsii bolshikh meropriyatiy)
to raise and take care of children
to do something while waiting
to achieve great fame or success
to copy something with little change
to waste time on a topic that has already been resolved
to express anger or frustration so that you feel better
