to replace someone temporarily in a role
временно заменить кого-то на роли (vremenno zamenit' kogo-to na roli)
"Can you sub in for me at the networking event tonight?"
"Можешь ли ты заменить меня на сетевом мероприятии сегодня вечером?" (Mozhesh' li ty zamenit' menya na setevom meropriyatii segodnya vecherom?)
to stay somewhere doing nothing while waiting for something
to interrupt someone politely during an online conversation
to use up energy or resources very quickly
to buy or collect a large amount of food for future use
to suddenly start laughing
to invent or imagine new creative projects
