babble away (/on);be long-winded; cackle; chatter away (/like a magpie/without stop); chipper; clack; din sth into sb’s ears; gabble; be garrulous; glibly; jabber; keep harping on; keep on clamouring;keep talking about;be loquacious; nag; rattle (/patter) on (/away/along/about/off); run off at the mouth; talk a blue streak; be talkative; talk one’s head off; talk endlessly (/incessantly); talk (/speak/go/run/wag) thirteen (/nineteen) to the dozen; wag one’s jaw (/tongue) ❍ 那人～地讲个没完。The fellow babbled on and would not hold his tongue. ❍ 他在发言中～地谈论“自由”。He talked glibly about “freedom”in his speech.
喋喋不休
talk endlessly;chatter away;rattle on
喋喋不休dié dié bù xiū
喋喋：说话多。指唠唠叨叨，说个不停。chatter away, repeat endlessly, wag one’s jaw, babble, run on, gabble, glibly, way one’s tongue, keep on clamouring