基本解释
拼音：kō ng tá n w ú yì
解释：空谈：不切合实际的言论；无益：没有补益。指信口开河地高谈阔论，却并不准备实行，只不过是使心情感到爽快而已。
单字解释：
空
谈
无
益
英语解释
Empty talk: impractical speech; No benefit: no benefit. It refers to talking freely, but not ready to implement it. It just makes you feel refreshed.
