beat his or her gums

废话连篇

do a snow job

喜欢花言巧语

go back on one’s words

说话不算话

He did a snow job on the girl by saying that he is the son of a minister.

他花言巧语地哄骗那个女孩，说自己是某个部长的儿子。

Who would enjoy sitting there listening to your beating your gums?

谁喜欢坐在那里听你的废话连篇？

You were plain touching the tender spot.

你真是哪壶不开提哪壶。