to participate in an activity or celebration
участвовать в мероприятии или празднике (uchastvovat v meropriyatii ili prazdnike)
"Everyone was invited to join in the traditional dance at the festival."
"Всем было предложено принять участие в традиционном танце на фестивале." (Vsem bylo predlozheno prinimat' uchastie v traditsionnom tance na festivale.)
to increase your effort toward gaining knowledge
to collaborate or work jointly across different boundaries o...
to start participating in an area or field, especially one n...
to suddenly stop being sad or depressed
to plan or expect something to happen
to suggest or imply something indirectly about the future