Here are some examples:
* "Ils bavardent au café." (They are chatting at the café.)
* "J'aime bavarder avec mes amis." (I like to chat with my friends.)
* "Arrête de bavarder et écoute!" (Stop gossiping and listen!)
The English equivalent of "bavarder" can depend on the context, but "chat" or "gossip" are generally good translations.