The politician tried to grandstand his audience with promises he knew he couldn't keep.
Политик пытался играть на публику перед своими слушателями, давая обещания, которые он не мог выполнить.
Definitions
To seek attention or admiration by showing off or performing in a way that is meant to impress others, often in a public or exaggerated manner; to act or speak in a way that is intended to attract applause or approval, rather than for genuine reasons.