例：He likes to visit the elderly and cheer them up.
alleviate the mood
例： His joke instantly alleviated the mood.
brighten one's day
例： Your encouraging words brightened his day.
例：Mountain air is invigorating.
例: The good news electrified us.
例：His presence animated the party.
liven up the room
例： Let's liven up this room a little bit!