to talk in an annoying way or complain ("on" can be repeated for emphasis) "They yammered on and on and on."
yammer on about
to talk in an annoying way about something or complain about ("on" can be repeated for emphasis) "He just yammered on and on about how horrible the waiter was."
An yammer idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with yammer, allowing users to choose the best word for their specific context.
類似の言葉の辞書、別の表現、同義語、イディオム イディオム yammer