говорить очень о многом(быть (очень) говорящим/показательным: He says he likes to run, but he's had the same running shoes for years. That's very telling.hinative.comShabe)
рассказывать байки(по-русски обычно во множ. числе: "If you say so," I said. "But I don't see why Menendez would bother to come up here and tell me a yarn and warn me to keep my nose clean on account of Lennox was a pal of him and Randy Starr in Vegas and they didn't want anybody fooling around." (Raymond Chandler)ART Vancouver)