Daily Chinese Idiom Guessing Game
To speak incessantly and fluently, without stopping.
滔滔形容流水不断。象流水那样毫不间断。指话很多，说起来没个完。
五代后周·王仁裕《开元天宝遗事·走丸之辩》张九龄善谈论，每与宾客议论经旨，滔滔不竭，如下阪走丸也。”
He talked滔滔不绝 about his travel adventures all evening.