to interrupt or give an opinion when not invited
招待されていないのに口を挟む、または意見を述べること (shoutai sareteinai noni kuchi o hasamu, matawa iken o nobero koto)
"I wish you wouldn’t butt in when we are discussing something serious."
"私たちが真剣に何かを話している時に、口を挟まないでほしい" (watashitachi ga shinken ni nanika o hanashiteiru toki ni, **butt in** shinaide hoshii)
to make someone feel better by speaking kindly
to show happiness or enthusiasm suddenly on the face
to reduce the frequency of alerts or messages
to relax and do nothing stressful
to share thoughts and feelings with people from other cultur...
to identify shared interests so cooperation is easier