"They will not hear therein any vain talk" (La yasma'una fiha laghwan), meaning: falsehood; "nor any sinful speech" (wa la ta'thiman), meaning: they will not accuse one another of sin.
﴿لَا يسمعُونَ فِيهَا لَغوا﴾ أَي: بَاطِلا ﴿وَلَا تأثيما﴾ لَا يؤثم بَعضهم بَعْضًا